Okta Security has identified adversarial activity that leveraged access to a stolen credential to access Okta's support case management system.
The threat actor was able to view files uploaded by certain Okta customers as part of recent support cases. It should be noted that the Okta support case management system is separate from the production Okta service, which is fully operational and has not been impacted. In addition, the Auth0/CIC case management system is not impacted by this incident.
Note: All customers who were impacted by this have been notified. If you’re an Okta customer and you have not been contacted with another message or method, there is no impact to your Okta environment or your support tickets.
Within the course of normal business, Okta support will ask customers to upload an HTTP Archive (HAR) file, which allows for troubleshooting of issues by replicating browser activity. HAR files can also contain sensitive data, including cookies and session tokens, that malicious actors can use to impersonate valid users. Okta has worked with impacted customers to investigate, and has taken measures to protect our customers, including the revocation of embedded session tokens. In general, Okta recommends sanitizing all credentials and cookies/session tokens within a HAR file before sharing it.
Attacks such as this highlight the importance of remaining vigilant and being on the lookout for suspicious activity. We are sharing the following Indicators of Compromise to assist customers who wish to perform their own threat hunting activity. We recommend referring to our previously published advice on how to search System Log for any given suspicious session, user or IP. Please note that the majority of the indicators are commercial VPN nodes according to our enrichment information.
23.105.182.19
104.251.211.122
202.59.10.100
162.210.194.35 (BROWSEC VPN)
198.16.66.124 (BROWSEC VPN)
198.16.66.156 (BROWSEC VPN)
198.16.70.28 (BROWSEC VPN)
198.16.74.203 (BROWSEC VPN)
198.16.74.204 (BROWSEC VPN)
198.16.74.205 (BROWSEC VPN)
198.98.49.203 (BROWSEC VPN)
2.56.164.52 (NEXUS PROXY)
207.244.71.82 (BROWSEC VPN)
207.244.71.84 (BROWSEC VPN)
207.244.89.161 (BROWSEC VPN)
207.244.89.162 (BROWSEC VPN)
23.106.249.52 (BROWSEC VPN)
23.106.56.11 (BROWSEC VPN)
23.106.56.21 (BROWSEC VPN)
23.106.56.36 (BROWSEC VPN)
23.106.56.37 (BROWSEC VPN)
23.106.56.38 (BROWSEC VPN)
23.106.56.54 (BROWSEC VPN)While the following user-agents are legitimate, they may be rare in your environment given the release of Chrome 99 in March 2022.
Mozilla/5.0 (Windows NT 10.0)
AppleWebKit/537.36 (KHTML, like Gecko)
Chrome/99.0.7113.93 Safari/537.36(Legitimate, but older user-agent)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7)
AppleWebKit/537.36 (KHTML, like Gecko)
Chrome/99.0.4844.83 Safari/537.36(Legitimate, but older user-agent)
David Bradbury is Chief Security Officer at Okta. As CSO, he leads overall security execution for the organization and his team is responsible for navigating the evolving threat landscape to best protect employees and customers. In addition, he is instrumental in helping Okta’s customers continue to adopt and accelerate Zero Trust security strategies.
Prior to joining Okta, Bradbury was Senior Vice President and Chief Security Officer at Symantec where he led and had global oversight of all cyber security and physical security programs.
Bradbury has built an international reputation for leading and delivering cybersecurity at scale. He has worked across his native Australia, as well as in the United Kingdom and the United States, leading highly-regarded security teams at some of the world’s largest banks, including ABN AMRO, Barclays, Morgan Stanley and the Commonwealth Bank of Australia. He holds a B.S. in Computer Science from the University of Sydney.
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