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642-544 Implementing Cisco Security Monitoring, Analysis and Response

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642-544 exam Dumps Source : Implementing Cisco Security Monitoring, Analysis and Response

Test Code : 642-544
Test appellation : Implementing Cisco Security Monitoring, Analysis and Response
Vendor appellation : Cisco
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related Reads

Cisco goes after industrial IoT | existent Questions and Pass4sure dumps

Cisco has rolled out a modern household of switches, application, developer tools and blueprints to meld IoT and industrial networking with intent-based networking and basic IT safety, monitoring and application-construction help.

To win on the daunting task the industry unveiled a modern household of industrial-networking leavening switches, IoT developer tools and aid for Cisco’s DevNet developer software, and it validated IoT network design blueprints purchasers can toil with to construct sturdy IoT environments.  

“we hold over 40,000 customers with IoT technology in All manner of purposes – from related roadways and automobiles to healthcare – and a lot of pan the equal challenges in deploying IoT – challenge complexity, scale, and end-to-conclusion safety,” Vikas Butaney, vice president of product management for IoT at Cisco spoke of. “we're bringing to those purchasers a manageable, restful network which will allow them to installation IoT at a massive scale.”

For the core of this network environment Cisco will bring a household of recent ruggedized industrial networking methods. peculiarly the Cisco leavening IE3x00 train of Gigabit Ethernet switches and IR1101 built-in functions Routers that Cisco says hold been goal-constructed for IoT environments. The IR1101 are modular so valued clientele can upgrade to modern features similar to 5G devoid of ripping and changing.

All IE3x00 and IR1101 methods elude IOS XE, the working paraphernalia used in Cisco’s latest campus, department and WAN networking instruments. the modern systems will too live managed by using Cisco’s DNA middle, and Cisco IoT box community Director, letting shoppers fuse their IoT and industrial-community handle with their enterprise IT world.

DNA middle is Cisco’s central management device for commercial enterprise networks, that includes automation capabilities, assurance environment, textile provisioning and coverage-based mostly segmentation. it is additionally on the core of the enterprise’s Intent based mostly Networking initiative offering purchasers the means to instantly implement network and coverage alterations on the Fly and acquire confident records delivery. The IoT box network Director is utility that manages multiservice networks of Cisco industrial, connected grid routers, and endpoints.

Taking DNA center’s facets into an industrial IoT-primarily based network is an well-known circulate for purchasers, analysts observed.

“It leverages Cisco’s massive installed groundwork and bridges IT and OT [operational technology traditionally associated with manufacturing and industrial environments] with a gauge framework,” said Will Townsend a senior analyst with Morr Insights & approach.   

the commercial IoT rollout has enabled the community area to extend its herbal boundaries into locations that natural IT and community lead hasn't had to hold lots of complexity and innovation, cited Vernon Turner, well-known and Chief Strategist at Causeway Connections.

“Now that there's a lot of software pile and deployment being performed on the 'extended business,’ it is simply natural that a corporation such as Cisco follows with its capabilities in utility, Turner mentioned. "In specific, the means to drive intent-based mostly community performance is crucial for industrial-primarily based workloads that now claim natural IT-primarily based attributes such as safety, scale and flexibility.”

probably the most hindrances for success is the customer experience of conclusion-to-conclusion integration and delivery of features. “for instance, there cannot live natural breaks between sensor-based mostly facts being generated via a store-floor robotic on a construction line and the enterprise returned-office programs for ingredients and fabric on account of either diverse networks and distinctive statistics programs – they both should live delivered in a seamless manner,” Turner referred to.

moreover the hardware, Cisco expanded its DevNet developers atmosphere to encompass an IoT Developer core where consumers can ascertain All manner of IoT and industrial developer paraphernalia and aid elements. 

in addition Cisco rolled out three modern Cisco Validated Designs for IoT architectures that customers can employ to quickly-song IoT deployments. The blueprints are directed at manufacturing, industrial automation and utility designs and silhouette ordinary employ cases and protection most desirable practices, Cisco said. The enterprise additionally referred to it would extend its practicing components as a piece of its IoT partner application.

“Industrial apps are a different blend unto their own, and it's exceptional to view that Cisco is bringing its Developer neighborhood to the fringe of the network,” Turner stated.  “Having extra apps which are written and supported in a network-based ambiance can best live first rate advice to each IT and operations management.”

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BMTC deploys Cisco protection options | existent Questions and Pass4sure dumps

Bahri & Mazroei buying and selling industry (BMTC), one of the UAE’s leading providers of options for pile and infrastructure construction, has deployed a finished suite of safety solutions from Cisco as piece of its ‘sensible’ initiatives focus.

system integrator Emtech helped BMTC implement Cisco next technology Firewall, which integrated ASA 5545 – X with FirePower services, Cisco FireSight management centre 750, Cisco URL filtering carrier and Cisco advanced Malware insurance policy, it brought up.

speaking about the implementation, Madhusuthan, BMTC’s IT manager stated: "As piece of their smart initiatives focal point, they were trying to find a modern safety solution that not best met their IT and compliance coverage necessities but additionally acted as a industry enabler as an alternative of just monitoring, controlling and restricting their users’ on-line activities."

"Our methods integration associate Emtech studied their IT infrastructure and requirements and got here up with their suggestions, which included a set of options from Cisco," he stated.

With this implementation, BMTC becomes some of the first companies in the UAE to deploy Cisco ASA with FirePower capabilities on account that the solution changed into launched within the UAE remaining September.

BMTC’s managing director Esam Al Mazroei spoke of: "day by day, UAE establishments love ours are faced with modern threats that are becoming further and further resourceful within the approaches they infiltrate and assault their ambiance. This deployment from Cisco is enabling us to win a a gross lot greater ripen fashion to their superior possibility insurance contrivance efforts."

“we're confident Cisco protection solutions will support protect and sight after their IT and community infrastructure against advanced threats while too cutting back complexity and fees. The solution is too helping us with positive utilisation of web bandwidth and conclusion-user looking capabilities with subsequent-technology elements and protection,” talked about Madhusuthan.

Emtech had beeen tasked with learning BMTC’s IT infrastructure and requirements to establish the bottlenecks.

“Our function in this mission turned into to determine the twinge features of IT security through realizing what is happening on the enterprise’s network degree, bringing superior visibility in terms of insurance policy and recommending the optimum reply which would lead to positive data centre protection and enterprise productivity," explained Vijayan k Raman, the managing director of Emtech.

"in response to the complete study they undertook, they recognized some key issue areas on malware, utility visibility and handle, and consumer visibility and control. based on these complications, they matched the equal with Cisco ASA with FirePower functions," he talked about.

anyway successfully implementing the Cisco safety answer, Emtech additionally knowledgeable the BMTC’s IT crew on its administration and has been featuring the consumer perpetual provider support, he delivered.

On the deployment, Rabih Dabboussi, the Cisco generic manager (UAE), spoke of: "As a number one security dealer in the UAE, Cisco is focused on establishing integrated safety solutions that wait on their valued clientele live proactive and align the right americans, approaches, and expertise."

"We cheer BMTC for taking the lead in enforcing dynamic controls to control the tempo of exchange of their IT and community atmosphere and tackle protection incidents with Cisco’s suite of security options," he added.-TradeArabia information carrier

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Implementing Cisco Security Monitoring, Analysis and Response

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Ingress firewall rules for the Cisco Security Monitoring, Analysis, and Response System | existent questions and Pass4sure dumps

The Cisco Security Monitoring, Analysis, and Response System (CS-MARS) is a topology-aware SIM product. Because it holds sensitive information, it's well-known for VARs to configure it to establish authentication, information and rediscovery protocols. This tip covers how to establish ingress firewall rules for CS-MARS.

To simplify the toil involved, you should define some network remonstrate groups on your firewall. If you're not familiar with this term, reflect of remonstrate groups as variables that you can employ while configuring the firewall to acquire life easier. Rather than referring to a large list of IP addresses or TCP/UDP ports, you can simply refer to a appellation instead. The following examples employ an remonstrate group called CORP_NET, which consists of All IP addresses used on your organization's network.

Ingress traffic refers to traffic that is inbound to a firewall (toward CS-MARS) from a less trusted network. device 4-1 shows both ingress traffic and egress traffic, or traffic that leaves CS-MARS to depart toward the less trusted network.

Figure 4-1 Ingress and Egress Traffic

The following ingress rules are a favorable starting point for most companies:

Step 1 Permit syslog and SNMP trap traffic (UDP 162 and 514) from security operations (SecOps). Step 2 Permit NetFlow traffic (UDP 2049) from SecOps. Step 3 Permit HTTPS (TCP 443) from SecOps if a large number of people will live accessing the web console of MARS to elude ad hoc reports. Otherwise, permit HTTPS to a restricted achieve of addresses. Step 4 Permit SSH (TCP 22) to a very restricted set of addresses. If the security management network has its own VPN gateway, which might live a function of the firewall, you might want to require administrators to establish a VPN connection before permitting SSH. Step 5 Permit HTTP (TCP 80) from any monitored web servers running iPlanet or Apache. If you're using NetCache appliances, permit HTTP from it as well. Step 6 If your MARS deployment consists of multiple MARS LCs that communicate to a centralized MARS GC, permit required management traffic between those systems (TCP 443 and 8444). Step 7 Deny All other traffic.

Continue reading to learn about egress firewall rules for the Cisco Security Monitoring, Analysis, and Response System (CS-MARS).

Reproduced from Chapter four of the bespeak Security Monitoring with Cisco Security MARS by Gary Halleen and Greg Kellogg. Copyright 2007, Cisco Systems, Inc. Reproduced by permission of Pearson Education, Inc., 800 East 96th Street, Indianapolis, IN 46240. Written permission from Pearson Education, Inc. is required for All other uses.

Cybersecurity Communities: Defending IT Collaboratively (Contributed) | existent questions and Pass4sure dumps

Hiring the best and brightest cybersecurity talent will always live difficult for situation and local governments. They hold to compete with private-sector firms that can proffer significantly greater compensation. Many government agencies too must meet rigorous certification standards for modern hires, including exceptional requirements that acquire them eligible for in-depth background investigations. 

Making matters worse, there are not enough people in the cybertalent pipeline. Cybersecurity Ventures, a research firm, estimates there will live a global shortage of 3.5 million cybersecurity workers by 2021. Moreover, the Cisco 2018 Annual Cybersecurity Report organize that these staff shortages contribute to organizations failing to design and build secure information systems as well as maintain basic security controls.

Some states are tackling the problem through training programs and hold built and staffed their own cybersecurity centers. Others hold offered grants to establish cybersecurity courses to train modern talent. The SANS Institute, an information security and cybersecurity research and training company, has started the CyberStart program, a unique and innovative suite of tools and games designed to interlard children and green adults to the territory of cybersecurity by completing various challenges. At a more strategic level, many situation and local governments are considering a collaborative, “community” approach to solving their cybersecurity challenges.

Collaboration: energy in Numbers

Security communities are groups of cybersecurity professionals who concluded that working together to solve their country’s security challenges better serves their organization and the broader community when compared to working in a silo alone. In general, the more people there are working on a problem, collaboratively, with a broader data set and context, the better the outcome for everyone.

From threat detection to incident response, the tactics that deplorable actors employ — and methods to thwart and resolve them — are constantly evolving. Drawing from the lessons learned and best practices of more than just a sole organization enables security professionals to live more efficient with their time, achieve maturity more quickly and to identify and leverage innovation earlier.

Efforts are underway. The situation of Ohio, under the direction of former Gov. John Kasich, has formed a committee to foster collaborative partnerships to strengthen cyberinfrastructure and resources. InfraGard is a partnership between the FBI and members of the private sector. The program provides a vehicle for public-private collaboration that expedites the timely exchange of information and promotes mutual learning opportunities relevant to the protection of captious infrastructure. While one of the most difficult parts of communities is getting people to join, participate and ultimately share, the government sector provides the opening for top-down mandates around collaboration. 

MITRE’s knowledge groundwork of Cybertactics

A collaborative community project that has had a huge impact on the practical side of cybersecurity is the MITRE ATT&CK™ framework. Founded in 1958, MITRE is a nonprofit organization that manages federally funded research. The organization works on projects for a variety of agencies, including the IRS, Department of Defense (DOD), Federal Aviation Administration (FAA) and National Institute of Standards and Technology (NIST). 

Based on real-world observations, the ATT&CK (adversarial tactics and techniques and common knowledge) framework is a globally accessible knowledge groundwork of adversary tactics and techniques. It serves as a foundation for developing specific threat models and methodologies in the private sector, security vendor community and varying government organizations. 

The ATT&CK knowledge groundwork has helped several projects, mappings and supplemental resources, allowing the supporting communities to continue growing. The platform and data sources sections are incredibly valuable because they divulge practitioners which systems they need to live monitoring and what they need to live collecting from them to mitigate and/or detect maltreat of the technique. The employ of knowledge provided by the framework can almost immediately multiply the maturity of a government security organization.

By classifying attacks into discreet tactics, it’s easier for researchers to view common patterns, determine the author of different campaigns and track how a threat has evolved over the years as the author adds modern features and assault methods. The framework recognizes that real-world threats are constantly advancing, and maps events to give analysts the context needed to identify advanced persistent threats (APT). The term APT is commonly thrown around, but for the federal, state, and local government as well as organizations supporting them, APT is a genuine concern.

Simplifying the Cyberdefense Process

With the impending security skills shortage, government organizations will hold to find modern ways to acquire better employ of the talent and resources they currently have. Security operations centers (SOCs) are overwhelmed by thousands of daily alerts, and manually responding to each one — legitimate or not — is a time-consuming and arduous task. 

By combining comprehensive data gathering; standardization; workflow analysis and analytics; and security orchestration, automation and response (SOAR), technology companies are working to provide organizations the capacity to easily implement sophisticated defense-in-depth capabilities based on internal and external data sources love the ATT&CK framework. As a result, government agencies are nascence to adopt SOAR, seeking to quickly and effectively resolve a significant portion of the thousands of alerts they receive each day while too ensuring that processes and standards are enforced through automation. This will free up their security experts to spend more time on complicated investigations, creating innovative processes, and proactive threat hunting.

From optimal productivity and performance to the capacity to respond to incidents faster, collaboration delivers invaluable benefits to security operations in the public sector. Because the private sector controls the vast majority of the world’s captious infrastructure systems, government security will depend on effective, global collaboration with industry security professionals using resources love the MITRE ATT&CK framework. 

Securing the Cisco Security Monitoring, Analysis, and Response System | existent questions and Pass4sure dumps

This chapter is from the bespeak 

As you can see, depending on your environment and the location of hosts, a complicated set of rules can live required on your firewall. Don't let the complexity prevent you from properly configuring the firewall, however. A shrimp toil initially can connote a better, more secure monitoring solution.

The following sections argue issues regarding firewall protection for MARS and network-based IPSs and IDSs. The suggestions given are a favorable station to begin, but they by no means toil in every network. For example, the TCP and UDP ports described in the preceding sections are only defaults. You can configure most of these services, which are common in many networks, to employ other ports. Check Point firewalls, for example, are commonly configured to employ different ports than the defaults of TCP ports 18184, 18190, and 18210.

Ingress Firewall Rules

To simplify the toil involved, you should define some network remonstrate groups on your firewall. If you're not familiar with this term, reflect of remonstrate groups as variables that you can employ while configuring the firewall to acquire life easier. Rather than referring to a large list of IP addresses or TCP/UDP ports, you can simply refer to a appellation instead. The following examples employ an remonstrate group called CORP_NET, which consists of All IP addresses used on your organization's network.

Ingress traffic refers to traffic that is inbound to a firewall (toward CS-MARS) from a less trusted network. device 4-1 shows both ingress traffic and egress traffic, or traffic that leaves CS-MARS to depart toward the less trusted network.

The following ingress rules are a favorable starting point for most companies:

  • Step 1 Permit syslog and SNMP trap traffic (UDP 162 and 514) from security operations (SecOps).
  • Step 2 Permit NetFlow traffic (UDP 2049) from SecOps.
  • Step 3 Permit HTTPS (TCP 443) from SecOps if a large number of people will live accessing the web console of MARS to elude ad hoc reports. Otherwise, permit HTTPS to a restricted achieve of addresses.
  • Step 4 Permit SSH (TCP 22) to a very restricted set of addresses. If the security management network has its own VPN gateway, which might live a function of the firewall, you might want to require administrators to establish a VPN connection before permitting SSH.
  • Step 5 Permit HTTP (TCP 80) from any monitored web servers running iPlanet or Apache. If you're using NetCache appliances, permit HTTP from it as well.
  • Step 6 If your MARS deployment consists of multiple MARS LCs that communicate to a centralized MARS GC, permit required management traffic between those systems (TCP 443 and 8444).
  • Step 7 contravene All other traffic.
  • Egress Firewall Rules

    Egress firewall rules refer to filters that restrict traffic from the protected network to less trusted networks. ideal security would restrict outbound traffic to only those ports that are necessary for proper functioning of the MARS appliance. However, in existent life, this might live unmanageable. You need to determine the proper poise between security and manageability.

    For example, a strict default egress policy might acquire sense for your company's public-facing web server. Hopefully, connectivity from the Internet to your web server (ingress rule) is permitted only on either TCP 80 or 443, depending on whether your web server uses encrypted HTTP. The egress policy should contravene All traffic that originates from the web server to hosts on the Internet. In other words, someone should never live allowed to browse the Internet from your web server, to download files from the web server, or to hold other communications from the web server to the Internet. By applying a proper egress rule on the firewall that denies it, an attacker is too denied that very communications path. In most instances where a web server, or any other server, is compromised by a hacker, the hacker's next steps involve copying files to the web server. This is either to deface websites, install root kits, or retrieve the software needed to further hack into the network. Strict egress filters raise the hardship level, often to a smooth that exceeds the capabilities of the hacker.

    Depending on your environment and which MARS features you're using, strict egress filters might live unmanageable. However, you should evaluate them to view whether they are workable in your environment.

    The following list of egress filters serves as a favorable starter set for most networks:

  • Step 1 Permit traffic required for appellation resolution to CORP_NET—for example, Domain appellation System (DNS) and Server Message hide (SMB) for Windows hosts (TCP and UDP 53, TCP 137 and 445) to CORP_NET.
  • Step 2 Permit Network Time Protocol (NTP) to specified NTP servers, either on your network or internetwork.
  • Step 3 Permit device discovery traffic on CORP_NET for routers and switches—for example, Telnet (TCP 23), SSH (TCP 22), and SNMP (UDP 161).
  • Step 4 Permit HTTPS to CORP_NET to allow MARS to ascertain Cisco IDS/IPS sensors as well as to allow event retrieval from Cisco IDSs/IPSs and Cisco routers running IOS IPS, and to allow communications between MARS LCs and GCs. If possible, restrict this achieve to a subset of CORP_NET.
  • Step 5 Permit FTP (TCP 21) to a centralized FTP server that contains configuration files of routers and switches, if you want to win handicap of this feature.
  • Step 6 Permit Simple Mail Transfer Protocol (SMTP) (TCP 25) to allow MARS to e-mail reports and alerts to your SMTP gateway.
  • Step 7 Permit NFS (UDP 2049) if your MARS archive server resides on a different network (not recommended).
  • Step 8 Permit TCP 8444 to allow communications between MARS LCs and GCs, if they reside in different locations.
  • Step 9 contravene All other traffic.
  • If you want to win handicap of the MARS internal vulnerability assessment capabilities, the preceding list of rules will not work. Instead, employ the following egress filter list:

  • Step 1 Permit All TCP and UDP traffic sourced from CS-MARS or a third-party vulnerability scanner.
  • Step 2 Permit NTP traffic to defined NTP servers, if they conclude not exist locally on SecOps.
  • Step 3 contravene All other traffic.
  • In day-to-day employ of MARS, when you pick to glean more information about a specific host, the internal vulnerability assessment feature of MARS initiates a port scan of the host. You cannot accurately define an egress rule list that permits the vulnerability assessment to win station while too restricting outbound ports. If you already employ a supported third-party vulnerability assessment tool, such as QualysGuard, you conclude not need to employ the internal tool. Otherwise, using the tool can greatly help the accuracy of information presented to you by MARS.

    Network-Based IDS and IPS Issues

    A network-based IPS offers an additional smooth of protection to complement that provided by a stateful inspection firewall. An IPS is closely related to an IDS. At first glance, the most obvious inequity between the two is how they are deployed.

    An IDS examines copies of network traffic, looking for malicious traffic patterns. It then identifies them and can sometimes live configured to win an automated response action, such as resetting TCP connections or configuring another network device to hide traffic from an attacker.

    As shown in device 4-2, an IDS is typically deployed beside a traffic flow. It receives copies of network traffic from the network switches, hubs, taps, or routers. Because it does not sit in the current of traffic, it does not atomize anything that MARS requires.

    An IDS often issues a large number of alerts based on traffic generated from MARS, especially if you're using the internal vulnerability assessment feature. You need to tune your IDS so that it does not alert on the vulnerability scans that originate from MARS. You might want to adjust the IDS tuning so that scans from MARS to your CORP_NET are ignored, but scans directed to the Internet trigger an alert. It is generally considered a deplorable practice to automatically scan hosts outside your own network; the practice might even live illegal. acquire confident that MARS is not configured to scan anything that is not on your own network. Your firewall egress rules should not allow this either. However, in the case of a misconfiguration, your IDS can alert the appropriate personnel so that the configuration errors can live corrected.

    An IPS sits in the path of network traffic (see device 4-3), usually as a transparent device (like a bridge), and watches for many of the very behaviors as an IDS. A major inequity between the two, though, is the capability of the IPS to act instantly when malicious traffic is seen.

    Because traffic must pass through an IPS, the IPS can prevent MARS from functioning properly if it is misconfigured. win time to closely watch alerts generated by your IPS and tune it appropriately. love the IDS, you should tune the IPS to allow vulnerability scanning to occur from MARS to CORP_NET, while preventing it from scanning the Internet.

    Some of the newest types of IPSs, such as the Cisco IPS, hold a feature called traffic normalization. This feature, in particular, causes the MARS vulnerability assessment to fail. Traffic normalization enables several functions, including the following:

  • Prevents illegal combinations of TCP flags from passing, or removes the illegal flags
  • Prevents fragmented traffic from passing, or rebuilds it so that it is not fragmented
  • Changes All packets in a traffic current to hold the very time to live (TTL)
  • This is just a little sampling of what a traffic normalizer does. In general, you can reflect of it as an engine that takes traffic that does not conform to standards, and either prevents the traffic from passing through the IPS or makes it conform to standards first.

    By itself, traffic normalization breaks a large amount of attacks and reconnaissance activities. It too stops vulnerability assessment tools from being able to accurately determine information such as the operating system that a target host is running.

    If you're protecting your security management network with an IPS that supports traffic normalization, you need to tune it to either ignore the scans from MARS and Qualys (or other vulnerability scanners) or disable the traffic normalization capabilities.

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