Latest cybersecurity reporting from selected sources.

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 […]

The FBI and CISA are warning that a phishing campaign targeting Signal users tied to Russian intelligence services has evolved to steal Signal Backup Recovery Keys, allowing attackers to access victims' historical messages. [...]

200 orgs and 5,000 devices compromised so far in Vlad's latest intelligence grab, Microsoft reckons The UK's National Cyber Security Centre (NCSC) has issued a fresh warning about Russia's ongoing targeting of routers to steal passwords and other secrets.…

Newly identified malicious campaigns are linked to virtual private servers modified by APT28 to operate as malicious DNS servers

Fancy Bear can't keep its claws out of Outlook inboxes The UK government is warning that Russia's APT28 (also known as Fancy Bear or Forest Blizzard) has been deploying previously unknown malware to harvest Microsoft email credentials and steal access to compromised accounts.…

Threat Groups Are Mapping OT Networks for Future Targeting, Warns DragosA China-linked threat group called Voltzite is targeting operational technology systems at critical infrastructure organizations worldwide to steal network diagrams, OT operating instructions and information about geographic information systems, said cybersecurity firm Dragos.

Group Claims a NY Surgical Center and a Nevada Medical Center Among Recent VictimsU.S. authorities are warning healthcare sector entities of incidents involving Everest, a Russian-speaking ransomware group and initial access broker, which claims to have stolen sensitive patient information in recent attacks, including on two medical care providers in New York and Nevada.

Company Is Sending Email Alerts to Customers Whose Data Was Accessed by HackersMicrosoft is alerting its customers whose data may have been accessed by Russian state hackers following a January attack that compromised the emails of company executives. Microsoft also shared a link to a custom-built secure system that customers can use to review their stolen data.

Microsoft Warns APT28's GooseEgg Tool Enables Credential TheftRussian military intelligence hackers are using an 18 month-old vulnerability in the Windows print spooler utility to deploy a custom tool that elevates privileges and steals credentials. Microsoft says it's seen post-compromise activities against Ukrainian, European and North American governments.

​Microsoft warns that the Russian APT28 threat group exploits a Windows Print Spooler vulnerability to escalate privileges and steal credentials and data using a previously unknown hacking tool called GooseEgg. [...]

​Microsoft warns that the Russian APT28 threat group exploits a Windows Print Spooler vulnerability to escalate privileges and steal credentials and data using a previously unknown hacking tool called GooseEgg. [...]

Affected federal agencies must comb through mails, reset API keys and passwords The US Cybersecurity and Infrastructure Security Agency (CISA) warns that Russian spies who gained access to Microsoft's email system were able to steal sensitive data, including authentication details and that immediate remedial action is required by affected agencies.…

The threat actor known as COLDRIVER has continued to engage in credential theft activities against entities that are of strategic interests to Russia while simultaneously improving its detection evasion capabilities

Microsoft's Threat Intelligence team issued a warning earlier today about the Russian state-sponsored actor APT28 (aka "Fancybear" or "Strontium") actively exploiting the CVE-2023-23397 Outlook flaw to hijack Microsoft Exchange accounts and steal sensitive information. [...]

Microsoft has disclosed that it's detected a spike in credential-stealing attacks conducted by the Russian state-affiliated hacker group known as Midnight Blizzard

The Cybersecurity and Infrastructure Security Agency (CISA) warned federal agencies to patch a Zimbra Collaboration (ZCS) cross-site scripting flaw exploited by Russian hackers to steal emails in attacks targeting NATO countries. [...]

Microsoft on Friday shared guidance to help customers discover indicators of compromise (IoCs) associated with a recently patched Outlook vulnerability

Forget dark-web souks, thousands of these are already being traded on public bazaars Russian crooks are selling network credentials and virtual private network access for a "multitude" of US universities and colleges on criminal marketplaces, according to the FBI.…

Armorblox warns of new campaign using Russian domain