Latest cybersecurity reporting from selected sources.

The Russian state-sponsored threat actor known as Turla has been attributed to a previously undocumented .NET backdoor called STOCKSTAY that has been deployed against government and military organizations in Ukraine, and entities that have an interest in Italian foreign policy

A threat actor with affiliations to China has been linked to a "multi-wave intrusion" targeting an unnamed Azerbaijani oil and gas company between late December 2025 and late February 2026, marking an expansion of its targeting

The Russia-linked state-sponsored threat actor known as APT28 (aka UAC-0001) has been attributed to attacks exploiting a newly disclosed security flaw in Microsoft Office as part of a campaign codenamed Operation Neusploit

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

Threat Actor Shifts From Targeting Exchange to DatabasesA Chinese cyberespionage threat actor with a history of hacking Microsoft Exchange to spy on geopolitical events including summits in Africa, the Middle East and Asia, has shifted its attention to targeting databases, say researchers.

A newly identified hacking group named GhostRedirector has compromised 65 Windows servers using previously unknown tools

Microsoft has formally tied the exploitation of security flaws in internet-facing SharePoint Server instances to two Chinese hacking groups called Linen Typhoon and Violet Typhoon as early as July 7, 2025, corroborating earlier reports

CISA Advisory Says Threat Actors Stole App Secrets in Azure-Hosted Backup PlatformA suspected Chinese state hacking group linked to last year’s telecom intrusions breached Commvault’s Microsoft Azure environment, exposing sensitive Microsoft 365 credentials and reigniting fears over U.S. cloud infrastructure vulnerabilities and default security settings.

Microsoft has shed light on a previously undocumented cluster of threat activity originating from a Russia-affiliated threat actor dubbed Void Blizzard (aka Laundry Bear) that it said is attributed to "worldwide cloud abuse." Active since at least April 2024, the hacking group is linked to espionage operations mainly targeting organizations that are important to Russian government objectives,

The threat actors behind the zero-day exploitation of a recently-patched security vulnerability in Microsoft Windows have been found to deliver two new backdoors called SilentPrism and DarkWisp

The China-lined threat actor behind the zero-day exploitation of security flaws in Microsoft Exchange servers in January 2021 has shifted its tactics to target the information technology (IT) supply chain as a means to obtain initial access to corporate networks

Mustang Panda Uses MAVInject to Evade Antivirus DetectionA Chinese state-sponsored hacking group is abusing a legitimate Microsoft tool to evade security and install backdoors on government systems in the Asia-Pacific region. The threat actor uses MAVInject.exe to inject malware into waitfor.exe.

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

Microsoft has revealed that it's pursuing legal action against a "foreign-based threat–actor group" for operating a hacking-as-a-service infrastructure to intentionally get around the safety controls of its generative artificial intelligence (AI) services and produce offensive and harmful content

Evidence Mounts for Chinese Hacking 'Quartermaster'A probable Chinese nation-state threat actor compromised Visual Studio Code and Microsoft Azure cloud infrastructure to target Western technology firms for espionage, security firms Tinexta Cyber and SentinelLabs said. The companies call the campaign "Operation Digital Eye."

Pyongyang Threat Actor Is After Money and InformationA North Korean hacking group wants to make money for the cash-starved Pyongyang regime and conduct bread-and-butter cyberespionage, say Microsoft researchers in a profile of a group they track as "Moonstone Sleet." North Korea has a well-established history of hacking for profit.

Microsoft on Friday revealed that the Kremlin-backed threat actor known as Midnight Blizzard (aka APT29 or Cozy Bear) managed to gain access to some of its source code repositories and internal systems following a hack that came to light in January 2024

Russian Foreign Intelligence Service Hack Gets Worse for Computing GiantA Russian state hack against Microsoft was more serious than initially supposed, Microsoft acknowledged in a Friday disclosure to federal regulators. Microsoft said a Moscow threat actor obtained access to "source code repositories and internal systems."

Microsoft on Thursday said the Russian state-sponsored threat actors responsible for a cyber attack on its systems in late November 2023 have been targeting other organizations and that it's currently beginning to notify them

Microsoft has published a detailed profile of a native English-speaking threat actor with advanced social engineering capabilities it tracks as Octo Tempest, that targets companies in data extortion and ransomware attacks. [...]