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Stay informed on the FBI's latest cyber security operations, threats, and safety tips. Your source for up-to-date FBI infosec news and insights.

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Federal Bureau of Investigation (FBI) is the United States’ principal federal law-enforcement agency and a domestic intelligence authority. In cybersecurity, it investigates cybercrime, digital intrusion, online fraud, and espionage; works with victims and other agencies; and may support disruption operations, prosecutions, or public warnings. FBI references in security news often concern indictments, infrastructure seizures, malware or intrusion advisories, and requests for victim cooperation.

Practitioners can report suspected internet crime through the FBI’s Internet Crime Complaint Center (IC3) or contact a local FBI field office, while preserving relevant logs, messages, and other evidence. FBI engagement can provide threat intelligence, such as indicators of compromise or information about attacker infrastructure, and may affect evidence handling and legal processes. It does not replace containment, recovery, breach assessment, or privacy and regulatory notifications required of the affected organization.

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Spain arrested a suspected CARR and Z-Pentest collaborator in an FBI-led probe for aiding pro-Russian hackers, coordinating attacks, and using crypto. Spanish National Police arrested a man in Palencia last March on charges of membership in and collaboration with a terrorist organization, glorifying terrorism, and computer damage. The investigation, carried out jointly with the FBI, […]

Security Affairs 8 Jul 2026, 6:36 a.m. Incident · 5 stories Cryptocurrency FBI Investigation Russia Spain Terrorism

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. U.S. Government Agency Paid $1M to Data Extortion Group Kairos FBI: TeamPCP Compromised Dev Tools to […]

Security Affairs 5 Jul 2026, 5:07 p.m. Theme · 7 stories America Compromise Email Extortion FBI Government

FBI says TeamPCP poisoned trusted developer tools to steal cloud credentials, spread malware through software updates, and extort victims. On July 2, 2026, the FBI published a FLASH alert identifying the criminal group called TeamPCP and detailing how it compromised widely used developer and security tools to steal credentials from victim environments at scale. The […]

Security Affairs 4 Jul 2026, 7:55 p.m. Cloud Compromise Credentials FBI Malware Theft Victims

Ukraine’s SSU and the FBI Just Confirmed Russian Intelligence Has Been Systematically Hacking Messenger Accounts for Years. The Security Service of Ukraine (SSU), working jointly with the FBI, has formally exposed a sustained Russian intelligence campaign targeting the messaging accounts of government officials, military personnel, politicians, and activists across Ukraine, Europe, and the United States. […]

Security Affairs 29 Jun 2026, 8:57 p.m. Incident · 2 stories America Critical Infrastructure Europe Exposure FBI Government Hacking Military Russia Ukraine

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. New FBI Alert: Russian Intelligence Uses Signal Recovery Keys to Access Messages Hospitality Sector Hit by […]

Security Affairs 29 Jun 2026, 3:29 a.m. Theme · 7 stories Email FBI Russia

FBI warns Russian spies now target Signal Backup Recovery Keys, enabling access to message history and long-term account takeover. The FBI and CISA updated their March 2026 warning about Russian intelligence phishing campaigns, and the new advisory adds a detail that wasn’t in the original: the operators have shifted their primary objective from stealing verification […]

Security Affairs 28 Jun 2026, 4:08 a.m. Incident · 5 stories Backup CISA FBI Phishing Russia Theft Warning

Researchers exposed the Silent Ransom Group ‘s Fast Flux infrastructure as the FBI warns of ongoing attacks targeting U.S. law firms and businesses. Resecurity uncovered the Silent Ransom Group (SRG)’s Fast Flux network infrastructure and shares available intelligence with the cybersecurity community to disrupt their malicious activities and enable ISP/DNS providers to counter this threat. […]

Security Affairs 6 Jun 2026, 5:54 a.m. America DNS Exposure FBI Ransom Research Warning

FBI director site went offline after a hack used a fake Cloudflare page to trick users into running a ClickFix attack that installed malware. The merchandise website of FBI director Kash Patel (basedapparel[.]com) was taken offline on Friday after reports that it had been compromised by hackers using it to spread malware. The malware was […]

Security Affairs 25 May 2026, 6:54 p.m. Incident · 2 stories Cloudflare Compromise FBI Hacking Malware Outage