Cisco ASA 5500 IPv6 Vulnerability

Cisco has released six new security patches including a couple for their firewall products. One (CVE-2011-0393) involves a denial of service condition when the ASA when configured to be in “transparent” mode . Cisco ASA 5500 Series Adaptive Security Appliances are affected by the following vulnerabilities: * Transparent Firewall Packet Buffer Exhaustion Vulnerability * Skinny … Continue reading Cisco ASA 5500 IPv6 Vulnerability

Langner Stuxnet Interview

Cigital interviews Ralph Langner of Langner Communications Ralph was the first to determine that Stuxnet is a directed cybersecurity attack against the kinds of Siemens control systems used to control nuclear centrifuges in Iran. Gary and Ralph discuss what’s involved in introducing the concept of cybersecurity to control systems engineers, how anti-virus vendors originally responded … Continue reading Langner Stuxnet Interview