That same day, DHS Cybersecurity and Infrastructure Security Agency (CISA) released Alert (AA21-110A) and Emergency Directive 21-03, the latter requiring all US Federal agencies to take specific action concerning PCS appliances in their environments. This report prompted a flurry of activity from various organizations, including government agencies and security vendors. On April 20, 2021, the Mandiant team at FireEye released a blog detailing their findings from multiple recent incidents involving compromised PCS appliances. Over the past few weeks, there has been increasing chatter regarding adversary groups exploiting multiple vulnerabilities in the Pulse Connect Secure (PCS) virtual private network (VPN) appliance. What You Need to Know About the Pulse Connect Secure Attacks Otherwise, read on for a quick breakdown of what happened, how to detect it, and MITRE ATT&CK mappings. To immediately see how to find potential vulnerabilities or exploits in your Pulse Connect Secure appliance, skip down to the "Identifying, Monitoring and Hunting with Splunk" section. We have updated our Splunk-friendly collection of indicators to include the latest from CISA. On April 30, CISA updated Alert (AA21-110A) with new detections, including the " Impossible Travel" detection and JA3 analysis. Splunk recommends that all Pulse Secure users review and install the update as soon as possible. First and most importantly, Pulse Secure issued an update on May 3 addressing multiple vulnerabilities. Update May 4, 2021: Over the last two weeks, there have been several significant developments. C ontributors: Mick Baccio, James Brodsky, Tamara Chacon, Shannon Davis, Dave Herrald, Kelly Huang, Ryan Kovar, Marcus LaFerrerra, Michael Natkin, John Stoner and Bill Wright The Pulse Secure client is not a personal VPN application and does not support the PPTP or L2TP protocols.įor more information, see the 'Pulse Secure for Chrome OS Quick Start Guide' įor more information about Pulse Secure clients for other platforms, visit. The Pulse Secure client is a corporate SSL-based VPN client that requires a Pulse Connect Secure SSL VPN gateway running version 8.1 or later. That gives you easy and secure access to information stored on corporate servers in the cloud. With Pulse Secure for Chrome OS devices you can connect to your corporate VPN. The Pulse Secure client creates a secure connection to your corporate Pulse Connect Secure SSL VPN gateway to provide instant access to business applications and data from anywhere at any time.Ĭonnect to work with Pulse Secure VPN Client for Chrome OS devices (eg. REQUIRES PULSE CONNECT SECURE VPN 8.1 OR LATER Securely Access Your Business Applications and Data REQUIRES CHROME OS 43 OR LATER
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