Department of Homeland Security is a organization tracked across 13 threat clusters and 22 intelligence report mentions on ThreatCluster. First observed November 3, 2025; most recent activity July 7, 2026.
CISA has mandated federal agencies to patch a critical vulnerability in Check Point VPN products within 72 hours due to active exploitation by the Qilin ransomware group. The vulnerability, tracked as CVE-2026-42271,…
A contractor for the U.S. Cybersecurity and Infrastructure Security Agency (CISA) left a public GitHub repository named 'Private-CISA' exposed for six months, containing sensitive credentials including AWS GovCloud…
Opexus hired twins Muneeb and Sohaib Akhter, who had a criminal history including wire fraud and hacking the State Department. The company conducted background checks but missed key red flags from the brothers' past…
On July 6, 2026, multiple U.S. Army subdomains, including oil.army.mil and ai2c.army.mil, were defaced in a 404 hijacking campaign. The attack displayed messages denouncing President Donald Trump and supporting Kurdish…
The Department of Homeland Security (DHS) is investigating a breach of the Homeland Security Information Network (HSIN), which occurred between late May and early June 2026. An unknown threat actor accessed the network,…
A website leaking personal information of ICE and Border Patrol agents, ICE List, was targeted by a cyber attack believed to be from Russia. The attack occurred after the site planned to publish the names of 4,500…
Twin brothers Muneeb and Sohaib Akhter were arrested for allegedly stealing and destroying sensitive government data after being fired from their contractor positions. The brothers are accused of compromising databases…
The IRS improperly disclosed thousands of immigrants' personal information to the Department of Homeland Security (DHS). This incident stems from a data-sharing agreement established in April 2025, which aimed to assist…
Madhu Gottumukkala, the acting director of CISA, uploaded sensitive government documents to ChatGPT, triggering internal cybersecurity warnings. The documents, marked 'for official use only,' raised alarms about…
Homeland Security Secretary Kristi Noem has alleged that employees within the Department of Homeland Security secretly installed spyware on her government-issued devices. An investigation is currently underway to…