Threat actors leverage tax season to deploy tax-themed phishing campaigns
As Tax Day approaches in the United States on April 15, Microsoft has detected several tax-themed phishing campaigns employing various tactics.
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StilachiRAT analysis: From system reconnaissance to cryptocurrency theft
Microsoft Incident Response uncovered a novel remote access trojan (RAT) named StilachiRAT, which demonstrates sophisticated techniques to evade detection, persist in the target environment, and exfiltrate sensitive data. -
Phishing campaign impersonates Booking.com, delivers a suite of credential-stealing malware
Microsoft Threat Intelligence identified a phishing campaign that impersonates online travel agency Booking. -
New XCSSET malware adds new obfuscation, persistence techniques to infect Xcode projects
Microsoft Threat Intelligence has uncovered a new variant of XCSSET, a sophisticated modular macOS malware that infects Xcode projects, in the wild. Go beyond data protection with Microsoft Purview
Govern, protect, and manage all of your data with Microsoft Purview, comprehensive solutions to help give you better visibility and control.
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Malvertising campaign leads to info stealers hosted on GitHub
Microsoft detected a large-scale malvertising campaign in early December 2024 that impacted nearly one million devices globally. -
Silk Typhoon targeting IT supply chain
Silk Typhoon is a Chinese state actor focused on espionage campaigns targeting a wide range of industries in the US and throughout the world. -
Microsoft is named a Leader in the 2025 Gartner® Magic Quadrant™ for cyber-physical systems protection platforms
We are excited to announce that Gartner has named Microsoft a Leader in the 2024 Gartner® Magic Quadrant™ for Cyber Physical Systems Protection Platforms. -
The BadPilot campaign: Seashell Blizzard subgroup conducts multiyear global access operation
Microsoft is publishing for the first time our research into a subgroup within the Russian state actor Seashell Blizzard and its multiyear initial access operation, tracked by Microsoft Threat Intelligence as the “BadPilot campaign”. Streamline privacy management with Microsoft Priva
Protect and govern personal information, reduce privacy risks, and manage subject rights requests at scale with Microsoft Priva privacy risk management solutions.
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Code injection attacks using publicly disclosed ASP.NET machine keys
Microsoft Threat Intelligence observed limited activity by an unattributed threat actor using a publicly available, static ASP. -
New Star Blizzard spear-phishing campaign targets WhatsApp accounts
In mid-November 2024, Microsoft Threat Intelligence observed the Russian threat actor we track as Star Blizzard sending their typical targets spear-phishing messages, this time offering the supposed opportunity to join a WhatsApp group. -
Analyzing CVE-2024-44243, a macOS System Integrity Protection bypass through kernel extensions
Microsoft discovered a macOS vulnerability allowing attackers to bypass System Integrity Protection (SIP) by loading third party kernel extensions, which could lead to serious consequences, such as allowing attackers to install rootkits, create persistent malware, bypass Transparency, Consent, and Control (TCC), and expand the attack surface to perform other unauthorized operations. -
Why security teams rely on Microsoft Defender Experts for XDR for managed detection and response
Microsoft Defender Experts for XDR is a mature and proven service that triages, investigates, and responds to incidents and hunts for threats on a customer’s behalf around the clock.
