SYNful Knock

October 8, 2015

SECURITY

Evolution of attacks on Cisco IOS devices

While “SYNful Knock” is the latest identified malware targeting Cisco devices running Cisco IOS, we have identified and investigated six other malware incidents during the last four years that target Cisco devices running Cisco IOS. The nature of threats is evolving and Cisco will continue to adapt…

September 17, 2015

SECURITY

SYNful Knock: Protect Your Credentials, Protect Your Network

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.…

September 15, 2015

SECURITY

SYNful Knock: Detecting and Mitigating Cisco IOS Software Attacks

Historically, threat actors have targeted network devices to create disruption through a denial of service (DoS) situation. While this remains the most common type of attack on network devices, we continue to see advances that focus on further compromising the victim’s infrastructure. Recently, the…