Latest cybersecurity reporting from selected sources.

The Iranian state-sponsored hacking group known as MuddyWater (aka Mango Sandstorm, Seedworm, and Static Kitten) has been attributed to a ransomware attack in what has been described as a "false flag" operation

The threat actor known as ToddyCat has been observed adopting new methods to obtain access to corporate email data belonging to target companies, including using a custom tool dubbed TCSectorCopy

Settlement Is Latest Among Scores of Other MOVEit Lawsuits Still PendingNuance Communications, a Microsoft subsidiary, has agreed to pay $8.5 million to settle class action litigation filed after hackers exploited a zero-day flaw in Progress Software's MOVEit file transfer software in 2023, stealing data belonging to more than a dozen of Nuance's healthcare clients.

'Laundry Bear' Has Been Active Since 2024Dutch intelligence agencies and Microsoft say a novel Russian state intelligence hacking group is likely buying stolen credentials from criminal marketplaces to gain entry to North American and European networks. It has "a specific interest in European Union and NATO member states."

Microsoft Researchers Link Turkish Spy Group to Output Messenger Zero-Day HackA Turkish-linked cyberespionage group known as Marbled Dust exploited a zero-day in the Output Messenger Server Manager application to spy on Kurdish military operations in Iraq. Microsoft reported the hack and called for immediate mitigation to block credential theft and malware delivery.

At least 11 state-backed hacking groups from North Korea, Iran, Russia, and China have been exploiting a new Windows vulnerability in data theft and cyber espionage zero-day attacks since 2017. [...]

Welcome to this week’s Cybersecurity News Recap. Discover how cyber attackers are using clever tricks like fake codes and sneaky emails to gain access to sensitive data. We cover everything from device code phishing to cloud exploits, breaking down the technical details into simple, easy-to-follow insights

The North Korea-linked nation-state hacking group known as Kimsuky has been observed conducting spear-phishing attacks to deliver an information stealer malware named forceCopy, according to new findings from the AhnLab Security Intelligence Center (ASEC)

Secret Blizzard Used Third-party Amadey Bots to Hack Ukrainian Military DevicesA Russian state-backed hacker group used third-party data-stealing bots and possibly a backdoor used by another Russia-based threat group to infiltrate and spy on devices used by frontline Ukrainian military units, according to a report from the Microsoft threat intelligence team.

Hackers Using Password Spraying to Steal User Microsoft Account CredentialsMultiple Chinese hacking groups are using a botnet named for a TCP routing port number to conduct password spraying attacks, warned Microsoft Thursday. The Quad7 operators are almost certainly located in China. Botnet activity can be difficult to monitor.

Amazon has seized domains used by the Russian APT29 hacking group in targeted attacks against government and military organizations to steal Windows credentials and data using malicious Remote Desktop Protocol connection files. [...]

Cryptocurrency Users Targeted in Latest Campaign Involving FudModule RootkitA hacking group tied to North Korea exploited a zero-day vulnerability in the open source Google Chromium web browser to try and steal cryptocurrency, Microsoft said. The attack campaign is the latest to involve a sophisticated North Korean rootkit called FudModule. Google has fixed the flaw.

Lazarus Espionage Group's Sophisticated Malware Evades Antivirus MonitoringNorth Korea's Lazarus hacking team, which focuses on cryptocurrency theft and espionage, has once again been exploiting a zero-day vulnerability in Microsoft Windows to install antivirus-suppressing malware dubbed Fudmodule to aid its intrusions.

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 has published a "Cyber Signals" report sharing new information about the hacking group Storm-0539 and a sharp rise in gift card theft as we approach the Memorial Day holiday in the United States. [...]

Microsoft has warned of a long-running credential stealing campaign from Russia’s APT28

​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. [...]

Microsoft says the Russian 'Midnight Blizzard' hacking group recently accessed some of its internal systems and source code repositories using authentication secrets stolen during a January cyberattack. [...]

The hacking group known as TA577 has recently shifted tactics by using phishing emails to steal NT LAN Manager (NTLM) authentication hashes to perform account hijacks. [...]