psirt

Today, we released the last Cisco IOS & IOS XE Software Security Advisory Bundled Publication of 2016. (As a reminder, Cisco discloses vulnerabilities in Cisco IOS and IOS XE Software on a predictable schedule—the fourth Wednesday of March and September in each calendar year).  Today’s edition o…

UPDATE April 20, 2017 Cisco continues to evaluate potential implications of the activities and information posted publicly by the Shadow Brokers Group.  We launched an investigation to analyze the new files posted on April 14th, 2017, and so far have not found any new vulnerabilities or exploits tha…

Malware doesn’t play by the rules, so today’s IT infrastructure needs to provide several layers of defense for end-users.  Some of the more common devices used to protect modern networks are Intrusion Prevention systems (IPS) and Firewalls. In recent years, there has been a lot of research on…

The Common Vulnerability Scoring System (CVSS), which is used by many in the industry as a standard way to assess and score security vulnerabilities, is evolving to a new version known as CVSSv3. These changes addressed some of the challenges that existed in CVSSv2; CVSSv3 analyzes the scope of a vu…

Today, we released the first of two semiannual Cisco IOS & XE Software Security Advisory Bundled Publications of 2016. (As a reminder, Cisco discloses IOS & XE vulnerabilities on a predictable schedule—the fourth Wednesday of March and September in each calendar year).   Today’s edition of t…

In October, we announced details about Cisco PSIRT’s new and improved security vulnerability disclosure format. Our Chief Security and Trust Officer, John Stewart, also revealed that Cisco will launch an application programming interface (API) that empowers customers to customize Cisco vulnerability…

Cisco is committed to protecting customers by sharing critical security-related information in different formats. Guided by customer feedback, Cisco’s Product Security Incident Response Team (PSIRT) is seeking ways to improve how we communicate information about Cisco product vulnerabilities to our…

Today, we released the last Cisco IOS & XE Software Security Advisory Bundled Publication of 2015. As a reminder, Cisco discloses IOS vulnerabilities on a predictable schedule (the fourth Wednesday of March and September each calendar year).  Last cycle, we began including Cisco Security Advisor…

Interest in IT security has never been higher. So when a new type of attack comes along, it attracts the attention of our customers and others in the industry. Earlier this week Cisco and Mandiant/Fireye released information about the so-called SYNful Knock malware found on Cisco networking devices.…