The Microsoft security team detected a nation-state attack on our corporate systems on January 12, 2024, and immediately activated our response process to investigate, disrupt malicious activity, mitigate the attack, and deny the threat actor further access. The Microsoft Threat Intelligence investigation identified the threat actor as Midnight Blizzard, the Russian state-sponsored actor also known as NOBELIUM.
Microsoft Actions Following Attack by Nation State Actor Midnight Blizzard
Senior execs' emails accessed in network breach that wasn't caught for 2 months.
Microsoft on Friday revealed that it was the target of a nation-state attack on its corporate systems that resulted in the theft of emails and attachments from senior executives and other individuals in the company's cybersecurity and legal departments.
The Windows maker attributed the attack to a Russian advanced persistent threat (APT) group it tracks as Midnight Blizzard (formerly Nobelium), which is also known as APT29, BlueBravo, Cloaked Ursa, Cozy Bear, and The Dukes.
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical security vulnerability impacting Microsoft SharePoint Server to its
Microsoft has again disabled the MSIX ms-appinstaller protocol handler after multiple financially motivated threat groups abused it to infect Windows users with malware.
Microsoft Threat Intelligence presents cases of threat actors misusing OAuth applications as automation tools in financially motivated attacks.
Microsoft Threat Intelligence continues to track and disrupt malicious activity attributed to a Russian state-sponsored actor we track as Star Blizzard, who has improved their detection evasion capabilities since 2022 while remaining focused on email credential theft against targets.
Windows 10's end-of-support date is October 14, 2025. That's the day that most Windows 10 PCs will receive their last security update and the date when most people should find a way to move to Windows 11 to ensure that they stay secure.
As it has done for other stubbornly popular versions of Windows, though, Microsoft is offering a reprieve for those who want or need to stay on Windows 10: three additional years of security updates, provided to those who can pay for the Extended Security Updates (ESU) program.
Microsoft has uncovered a supply chain attack by the threat actor Diamond Sleet (ZINC) involving a malicious variant of an application developed by CyberLink Corp. This malicious file is a legitimate CyberLink application installer that has been modified to include malicious code that downloads, decrypts, and loads a second-stage payload. The file, which was signed using a valid certificate issued to CyberLink Corp., is hosted on legitimate update infrastructure owned by the organization.
Today, Microsoft released patches for 64 different vulnerabilities in Microsoft products, 14 vulnerabilities in Chromium affecting Microsoft Edge, and five vulnerabilities affecting Microsoft's Linux distribution, Mariner. Three of these vulnerabilities are already being exploited, and three have been made public before the release of the patches.
Une récente attaque de QRishing a été détectée par Vade. Découvrez l’attaque en détail et les mesures à prendre pour protéger votre entreprise.
The company later restored access to the chatbot, which is owned by OpenAI.
Microsoft will launch digital watermarking tools to combat deep fakes and offer services to political campaigns for cybersecurity and using AI.
Microsoft Exchange is impacted by four zero-day vulnerabilities that attackers can exploit remotely to execute arbitrary code or disclose sensitive information on affected installations.
(0Day) Microsoft Exchange ChainedSerializationBinder Deserialization of Untrusted Data Remote Code Execution Vulnerability
Microsoft is making big changes to its cybersecurity approach. It comes after major cloud attacks in recent years and will mean an overhaul to how software is built inside Microsoft.
Octo Tempest employs tactics that many of its targets aren't prepared for.
Microsoft has been tracking activity related to the financially motivated threat actor Octo Tempest, whose evolving campaigns represent a growing concern for many organizations across multiple industries.
Discover how we’re securing authentication and reducing NTLM usage in Windows.
