Personally identifiable information belonging to thousands of U.S. Department of Homeland Security employees has been published online after a hacker stole reams of data in a previously undisclosed breach at the government department earlier this year.
The breach includes names, job titles, and work contact information, such as email addresses, cell phone numbers, and office locations, of more than 40,000 people who work for the federal department, including border and immigration agents, cybersecurity staffers, and senior department officials.
A hacker who goes by the handle Department of Peace claimed they obtained the data from an Okta single sign-on system used by Homeland Security to allow employees and contractors across its various agencies to log in to its central network. The Okta system also contains IT and log-in records associated with the employees’ user account, including details about which systems and internal apps they are permitted to access.
Read more…
Source: TechCrunch News
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Workday hit by data breach targeting CRM systems
August 18, 2025
The US company was affected by a social engineering campaign that bears similarities to a recent wave of attacks by extortion group ShinyHunters. Enterprise software company Workday recently suffered a data breach after threat actors targeted a third-party customer relationship management (CRM) platform. According to a blogpost by the US company on Friday (15 August), threat ...
- FBI: Fictitious Law Firms Targeting Cryptocurrency Scam Victims Combine Multiple Exploitation Tactics While Offering to Recover Funds
August 13, 2025
This updated advisory provides additional red flag indicators and due diligence measures to help victims who have been in contact with fictitious law firms conducting this fraudulent activity. This scheme combines a number of exploitation tactics including targeting vulnerable populations, particularly the elderly; exploiting victims’ emotional state and financial need to recover funds from a previous ...
- Russian government hackers said to be behind US federal court filing system hack
August 12, 2025
The Russian government is allegedly behind the data breach affecting the U.S. court filing system known as PACER, according to The New York Times. Citing anonymous sources, the newspaper said Russia “is at least in part responsible” for the cyberattack, without saying what part of the Russian government is behind the hack. The hackers searched for ...
- U.S. Department of Justice Announces Coordinated Disruption Actions Against BlackSuit (Royal) Ransomware Operations
August 11, 2025
Law Enforcement Seizes Servers, Domains, and Approximately $1 Million In Laundered Proceeds Owned By BlackSuit (Royal) Ransomware The Justice Department announced today coordinated actions against the BlackSuit (Royal) Ransomware group which included the takedown of four servers and nine domains on July 24, 2025. The takedown was conducted by the Department of Homeland Security’s Homeland Security ...
- Massive leak of over 115 million US payment cards caused by Chinese “smishing” hackers
August 10, 2025
A wave of advanced phishing campaigns, traced to Chinese-speaking cybercriminal syndicates, may have compromised up to 115 million US payment cards in just over a year, experts have warned. Researchers at SecAlliance revealed these operations represent a growing convergence of social engineering, real-time authentication bypasses, and phishing infrastructure designed to scale. Investigators have identified a figure ...
- Data breach at Central Maine Healthcare exposes patient information
August 1, 2025
Central Maine Healthcare says an unauthorized party gained access to its network on March 19th, and they kept that access until June 1st. After a weeks-long shut down of phone and online services, Central Maine Healthcare officials say patient data was likely compromised during a two and a half month period where a hacker gained access ...