The Cisco® Security Monitoring, Analysis, and Response System (Cisco Security MARS) is an appliance-based, all-inclusive solution that provides unmatched insight and control of your existing security deployment. Part of Cisco's security management lifecycle, Cisco Security MARS empowers your security and network organizations to identify, manage, and counter security threats. It works with your existing network and security investments to identify, isolate, and recommend precise removal of offending elements. It also helps maintain internal policy compliance and can be an integral part of your overall regulatory compliance solution.
Security and network administrators face numerous challenges, including:
• Security and network information overload
• Poor attack and fault identification, prioritization, and response
• Increases in attack sophistication, velocity, and remediation costs
• Compliance and audit requirement adherence
• Security staff and budget constraints
Cisco Security MARS addresses these challenges by:
• Integrating network intelligence to modernize correlation of network anomalies and security events
• Visualizing validated incidents and automating investigation
• Mitigating attacks by taking full advantage of your existing network and security infrastructure
• Monitoring systems, network, and security operations to aid in compliance
• Delivering a scalable appliance that is easy to deploy and use with the lowest total cost of ownership (TCO)
Cisco Security MARS transforms raw network and security data into intelligence that can be used to subvert valid security incidents and maintain compliance. This easy-to-use family of threat mitigation appliances enables operators to centralize, detect, mitigate, and report on priority threats using the network and security devices already deployed in your infrastructure.
The Defense In-Depth Dilemma
Information security practices have evolved from Internet perimeter protection to an in-depth defense model in which multiple countermeasures are layered throughout the infrastructure to address vulnerabilities and attacks. This is necessary due to increased attack frequency, diverse attack sophistication, and the rapid nature of attack velocity-all blurring the boundaries between the network and perimeter.
Network access points and systems are probed thousands of times each day in an attempt to exploit vulnerabilities. Modern blended/hybrid attacks use multiple and deceptive attack methodologies to gain unauthorized system access and control from outside and within organizations. The proliferation of worms, day-zero attacks, viruses, Trojan horses, spyware, and attack tools challenges even the most fortified infrastructures, resulting in smaller reaction time, downtime, and costly remediation.
Beyond the number of servers and network devices, each security component offers isolated event log and alert features for anomaly detection, threat reaction, and forensics. Unfortunately, this yields a tremendous amount of noise, alarms, log files, and false positives for operators to discern or effectively use-assuming the time and resources are available to parse through and understand this information. In addition, compliance legislature requires strict data privacy, improved operational security, and maintained audit processes.
Advancing Security Information Management and Threat Mitigation
Security information and event management products logically seem to alleviate these problems-helping you measure threats so you can manage them. These products enable operators to centrally aggregate security events and logs, analyze this data through limited correlation and query techniques, and generate alarms and reports on isolated events.
Unfortunately, many first- and second-generation security information and event management products do not yield sufficient network intelligence and performance attributes to more precisely identify and validate correlated events, better pinpoint attack paths, surgically remove threats, or maintain high event loads. Cisco Systems® addresses these security issues and management deficiencies with a family of scalable enterprise threat mitigation appliances. The Cisco Security MARS complements your network and security infrastructure investment by delivering a security threat control and containment solution that is easy to deploy, easy to use, and cost-effective. The Cisco Security MARS family of high-performance, scalable threat mitigation appliances fortifies deployed network devices and security countermeasures by combining network intelligence, ContextCorrelation™ features, SureVector™ analysis, and AutoMitigate™ capability, empowering companies to readily identify, manage, and eliminate network attacks and maintain compliance.
Cisco Security MARS integrates tightly with Cisco's premier security management suite, Cisco Security Manager. This integration maps traffic-related syslog messages to the firewall policies defined in Cisco Security Manager that triggered the event. Policy lookup enables rapid, round-trip analysis for troubleshooting firewall-configuration-related network issues, policy configuration errors, and fine-tuning defined policies.
Features and Benefits
Network Intelligent Event Aggregation and Performance Processing
Cisco Security MARS obtains network intelligence by understanding the topology and device configurations from routers, switches, and firewalls, and by profiling network traffic. The system's integrated network discovery function builds a topology map containing device configuration and current security policies, which enables it to model packet flows through your network. Since the appliance does not operate inline and makes minimal use of existing software agents, there is little impact on network or system performance.
The appliance centrally aggregates logs and events from a wide range of popular network devices (such as routers and switches), security devices and applications (such as firewalls, intrusion detection systems [IDSs], vulnerability scanners, and antivirus applications), hosts (such as Windows, Solaris, and Linux syslogs), applications (such as databases, Web servers, and authentication servers), and network traffic (such as Cisco NetFlow).
As events and data are received, the information is normalized against the topology, discovered device configurations, same source and destination applications across Network Address Translation [NAT] boundaries. Corresponding events are grouped into sessions in real time. System- and user-defined correlation rules are then applied to multiple sessions to identify incidents. Cisco Security MARS ships with a full complement of predefined rules, frequently updated by Cisco, that identify a majority of blended attack scenarios, day-zero attacks, and worms. A graphical rule definition framework simplifies the creation of user-defined custom rules for any application. ContextCorrelation significantly reduces raw event data, facilitates response prioritization, and maximizes results from deployed countermeasures.
High-Performance Aggregation and Consolidation
Cisco Security MARS captures millions of raw events, efficiently classifies incidents with unprecedented data reduction, and compresses this information for archive. Managing this high volume of security events requires a secure and stable centralized logging platform. Cisco Security MARS appliances are security-hardened and optimized for receiving extremely high levels of event traffic-more than 15,000 events per second or more than 300,000 Cisco NetFlow events per second. This high-performance correlation is made possible through inline processing logic and the use of embedded high-performance database system. All database functions and tuning are transparent to the user. Onboard storage and continual compression of historical data archives to network file system (NFS) secondary storage devices makes Cisco Security MARS a reliable security log aggregation solution.
Incident Visualization and Mitigation
Cisco Security MARS helps to accelerate and simplify the process of threat identification, investigation, validation, and mitigation. Security staff are often confronted with escalated events that require time-consuming analysis for resolution and remediation. Cisco Security MARS provides a powerful, interactive security management dashboard. The operator GUI provides a topology map that comprises real-time hotspots, incidents, attack paths, and detailed investigation with full incident disclosure, allowing immediate verification of valid threats.
Cisco SureVector analysis processes similar event sessions to determine if threats are valid or have been countered by assessing the entire attack path, down to the endpoint mandatory access conrol (MAC) address. This automated process is accomplished by analyzing device logs such as firewalls and intrusion prevention applications, third-party vulnerability assessment data, and through Cisco Security MARS endpoint scans to eliminate false positives. Users can quickly fine-tune the system to further reduce false positives.
The goal of any security program is to keep systems online and functioning properly-this is critical for preventing security exposures, containing incidents, and facilitating remediation. With the Cisco Security Monitoring, Analysis, and Response System, operators have a rapid means to understand all of the components involved within an attack, down to the offending and compromised system MAC address. Cisco AutoMitigate capabilities identify available "choke-point" devices along the attack path and automatically provide the appropriate device commands that the user can employ to mitigate the threat. The results can be used to quickly and accurately prevent or contain an attack.
Real-Time Investigation and Compliance Reporting
Cisco Security MARS features an easy-to-use analysis framework that streamlines the conventional security workflow, providing automated case assignment, investigation, escalation, notification, and annotation for daily operations and specialized audits. It can graphically replay attacks and retrieve stored event data to analyze previous events. The system fully supports ad-hoc queries for real-time and subsequent data-mining efforts.
Cisco Security MARS offers numerous predefined reports to satisfy operational requirements and assist in regulatory compliance efforts, including compliance with Sarbanes-Oxley, the Gramm-Leach Bliley Act (GLBA), the Health Insurance Portability and Accountability Act (HIPAA), and the Federal Information Security Management Act (FISMA) in the United States, and the EU's Revised Basel Capital Framework (Basel II). An intuitive report generator can modify the more than 100 standard reports or generate new reports for an unlimited means to build action and remediation plans, incident and network activity, security posture and audit, as well as departmental reports-in data, trend, and chart formats. The system also provides for batch and e-mail reporting.
Network Admission Control Support
Cisco Security MARS will parse, normalize, correlate, and report on 802.1x authentication events from both Layer 2 switches and Cisco Secure Access Control Server (ACS). Cisco Security MARS will do the same using the Extensible Authentication Protocol (EAP) protocol for Layer 3 routers and for Cisco VPN 3000 Series concentrators. This allows customers to troubleshoot device authentication methods by determining the chain of connections between the switch, the Cisco Secure ACS, the endpoint being validated, and the external authentication source, such as Active Directory or network information service (NIS). Cisco Security MARS also provides centralized reporting for Network Admission Control (NAC) Phase 1 and Phase 2 parameters that highlight the reason for device and posture authentication failure. Examples of such reports include:
• User report
• User detail
• Endpoint detail
• Rejected endpoints report
• Endpoint status queries failure report
• Application posture token distribution report
• Top ten endpoints and top ten user violations report
• Remediation time by endpoint report
Rapid Deployment and Scalable Management
Cisco Security MARS is placed on a TCP/IP network where it can send and receive syslog messages and Simple Network Management Protocol (SNMP) traps, and can establish secure sessions with deployed network and security devices through standard secure or vendor-specific protocols. No additional hardware, operating system patches, licensing, or lengthy professional service engagements are required to install and deploy the Cisco Security Monitoring, Analysis, and Response System. Simply configure your log sources to point to the appliance and define any network and source through the Web-based GUI. Rapidly deploy Cisco Security MARS by forwarding messages from existing syslog-ng or Kiwi syslog servers. This feature eliminates many network and device changes required to insert Cisco Security MARS into an operational network.
Cisco Security MARS appliance is centrally managed through a secure Web-based interface that supports role-based administration and authentication. The optional Global Controller appliance centralizes expansive security operations to provide a single view of the entire enterprise and to disseminate access privileges, configurations, updates, customized rules, and report templates, as well as to coordinate complex investigations with accelerated queries and reports that are processed locally.
As the local Cisco Security MARS appliances execute queries and rules across the enterprise, the results are efficiently consolidated for rapid and centralized analysis at the system's Global Controller. This scalable architecture yields an additional level of distributed processing and storage. The result is more cost-effective deployment and greater manageability, which addresses the requirements of large and geographically dispersed organizations.
New Features in Release 4.3.1 and 5.3.1
This feature set is focused on improving the security of the Cisco Security MARS system when used in distributed environments. This feature set is made up of two categories of features, one that is focused on the providing secure password management and off-box authentication of Cisco Security MARS users and the second that is focused on providing session timeout control to the administrator for individual Cisco Security MARS users. Off-MARS authentication is provided via RADIUS support in Cisco Security MARS and allows Cisco Security MARS to authenticate with a RADIUS server before allowing users to login to the appliance. This functionality inherently provides Cisco Security MARS with additional capabilities such as the password aging and minimum password requirements such as length and type of password used, all via RADIUS. The session timeout features provide the administrator a means of enforcing policy on users who may not log out of the Cisco Security MARS device over longer periods of time, therefore if an administrator were to require a policy that stated Cisco Security MARS should log out users who are inactive for 15 minutes, this feature set can enforce that policy.
Syslog Forwarding support in Cisco Security MARS will allow Cisco Security MARS to forward syslog messages it receives from syslog sources to another syslog receiver. In earlier Cisco Security MARS releases support for receiving syslog messages from a syslog Relay device was added. Therefore the syslog forwarding feature set in this release enhances support for syslog within Cisco Security MARS, and allows for the insertion of Cisco Security MARS into an already established syslog architecture.
Cisco IPS 6.0 Dynamic Signature Updates
Dynamic Signature Update capability provides Cisco Security MARS with the ability to recognize events that are generated by a Cisco IPS device versions 5.x and 6.x. Beginning in release 4.3.1 and 5.3.1, Cisco Security MARS can discover the new signatures and correctly process and categorize received events that match those signatures. These updates provide event normalization and event group mapping, and they enable the Cisco Security MARS to parse Day Zero signatures from the Cisco IPS device. The downloaded update information is an XML file that contains the Cisco IPS signatures. This feature set provides improved security by way of automation and ease of use to the user.
Cisco Security Monitoring, Analysis, and Response System Technical Specifications
The 4.x releases will continue to support the MARS-20R, MARS-20, MARS-50, MARS-100e, MARS-100, MARS-200, MARS-GCm, MARS-GC appliances. The 5.x releases will continue to support features on new appliance models MARS-110R, MARS-110, MARS-210, MARS-GC2 and new addition of MARS-GC2R (new Global Controller, see Table 1 for detail). There will be significant feature parity across the two releases. Even though appliance differences result in minor differences in some feature implementations, every effort is made to provide parallel, equivalent feature support. Please refer to the Gen2 Hardware release Q&A for further details.
Cisco Security MARS family offers different performance characteristics and prices to meet a variety of organizational needs and deployment scenarios (Table 1).
Cisco Security MARS 110R Upgrade License to CS-MARS-110-K9
Cisco Security MARS 110
Cisco Security MARS 210
Cisco Security MARS GCm
Cisco Security MARS GC
Cisco Security MARS GC2R
Cisco Security MARS GC2R upgrade license to CS-MARS-GC2-K9
Cisco Security MARS GC2
Service and Support
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