CISA Updates Alert on Pulse Connect Secure

CISA has updated Alert AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities, originally released April 20. This update adds a new Detection section providing information on Impossible Travel and Transport Layer Security (TLS) Fingerprinting that may be useful in identifying malicious activity.

CISA encourages users and administrators to review the following resources for more information:

• AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities
• Emergency Directive 21-03: Mitigate Pulse Connect Secure Product Vulnerabilities