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RSS Sitemap Sitemap Cache Yahoo.com Sitemap HTML Sitemaps Featured Solution: Cisco Wireless Mobility Design & ImplementationAccording to recent studies, security is the biggest challenge facing small and medium-sized businesses. Ever-changing security threats from both inside and outside the business network can wreak havoc on business operations, affecting profitability and customer satisfaction. Small and medium-sized businesses must also comply with new regulations and laws created to protect consumer privacy and secure electronic information. Cisco IronPort Security Management Appliances (1) Simplifiy security management across Cisco IronPort email and web security products, (2) Deliver centralized reporting, message tracking, and spam quarantine for the email security appliances, (3) Provide centralized web policy management for web security appliances, and (4) Allow for delegated administration of web access policies and custom URL categories. For over a decade, Cisco and netForensics have provided organizations with best-in-class solutions that enable real-time security visibility, rapid threat response, and compliance with complex regulatory mandates. netForensics products seamlessly integrate with Cisco security and networking products, as well as a broad array of multi-vendor technologies to deliver true end-to-end threat management. Network security tools include: (1) Antivirus software packages : These packages counter most virus threats if regularly updated and correctly maintained, (2) Secure network infrastructure : Switches and routers have hardware and software features that support secure connectivity, perimeter security, intrusion protection, identity services, and security management. Dedicated network security hardware and software-Tools such as firewalls and intrusion detection systems provide protection for all areas of the network and enable secure connections, (3) Virtual private networks : These networks provide access control and data encryption between two different computers on a network. This allows remote workers to connect to the network without the risk of a hacker or thief intercepting data, (4) Identity services : These services help to identify users and control their activities and transactions on the network. Services include passwords, digital certificates, and digital authentication keys, (5) Encryption : Encryption ensures that messages cannot be intercepted or read by anyone other than the authorized recipient. and (6) Security management : This is the glue that holds together the other building blocks of a strong security solution. None of these approaches alone will be sufficient to protect a network, but when they are layered together, they can be highly effective in keeping a network safe from attacks and other threats to security. In addition, well-thought-out corporate policies are critical to determine and control access to various parts of the network. An active attack is one in which an unauthorized change of the system is attempted. This could include, for example, the modification of transmitted or stored data, or the creation of new data streams. Sub-categories are (1) masquerade or fabrication, (2) message replay, (3) message modification and (4) denial of service or interruption of availability. Test the most important systems first. In general, systems that should be tested first include those systems that are publicly accessible, that is, routers, firewalls, web servers, e-mail servers, and certain other systems that are open to the public, are not protected behind firewalls, or are mission critical systems. Organizations can then use various metrics to determine the importance or criticality of other systems in the organization and proceed to test those systems as well. Look at the big picture. The results of routine testing may indicate that an organization should readdress its systems security architecture. Some organizations may need to step back and undergo a formal process of identifying the security requirements for many of its systems, and then begin a process of reworking its security architecture accordingly. This process will result in increased security inefficiency of operations with fewer costs incurred from incident response operations. The standard one-time password dictionary from RFC 1760 helps maintain backwards compatibility with the various deployed systems, however, support for hexadecimal format passwords will also be mandatory to implement. The standard might specify pass phrase quality checks for the secret pass phrase. The standard will be specified so as to eliminate any possible conflict with the Bellcore trademark on the term S/Key. Cisco Integrated Security on the Next-Generation ISR (1) Delivers suite of built-in capabilities, including firewall, intrusion prevention, VPN, and content filtering, (2) Promotes integrating new network security features on existing routers, (3) Provides additional protection without adding hardware and maximizes network security, and (4) Decreases ongoing support and manageability costs by reducing the total number of devices required. Network administrators can run the grep command against configuration files pulled from routers and firewalls and stored in local directory of their workstation (UNIX or Windows), or use grep statement build into Cisco IOS or ASA. For example, suppose the auditor wants to check the configuration for all telnet statements. The network administrator can run show running-config grep telnet and look through each entry (or without grep, just using include sh run i telnet), filter out addresses and send output to auditor. |
