Cyber Signals: 3 strategies for protection against ransomware
New Cyber Signals shows more than 80 percent of ransomware attacks can be traced to common configuration errors.
Research
Explore in-depth research on the latest cybersecurity threats, trends, and defense strategies. Get insights from Microsoft that’ll help you better understand and respond to today’s challenges.
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Modernize your Security Operations Center with Microsoft Sentinel
Microsoft Sentinel is a cloud-native SIEM solution powered by AI and automation that delivers intelligent security analytics across your entire enterprise.
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MERCURY leveraging Log4j 2 vulnerabilities in unpatched systems to target Israeli organizations
Microsoft detected an Iran-based threat actor the Microsoft Threat Intelligence Center (MSTIC) tracks as MERCURY leveraging exploitation of Log4j 2 vulnerabilities in SysAid applications against organizations located in Israel. -
MagicWeb: NOBELIUM’s post-compromise trick to authenticate as anyone
Microsoft security researchers have discovered a post-compromise capability we’re calling MagicWeb, which is used by a threat actor we track as NOBELIUM to maintain persistent access to compromised environments. -
Looking for the ‘Sliver’ lining: Hunting for emerging command-and-control frameworks
Threat actors evade detection by adopting the Sliver command-and-control (C2) framework in intrusion campaigns. Tailored AI insights from Microsoft Security Copilot
Empower your defenders to detect hidden patterns, harden defenses, and respond to incidents faster with generative AI.
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Uncovering a ChromeOS remote memory corruption vulnerability
Microsoft discovered a memory corruption vulnerability in a ChromeOS component that could have been triggered remotely, allowing attackers to perform either a denial-of-service (DoS) or, in extreme cases, remote code execution (RCE). -
Hardware-based threat defense against increasingly complex cryptojackers
To provide advanced protection against increasingly complex and evasive cryptojackers, Microsoft Defender Antivirus integrates with Intel® Threat Detection Technology (TDT) that applies machine learning to low-level CPU telemetry in detecting cryptojackers, even when the malware is obfuscated and can evade security tools. -
Disrupting SEABORGIUM’s ongoing phishing operations
The Microsoft Threat Intelligence Center (MSTIC) has observed and taken actions to disrupt campaigns launched by SEABORGIUM in campaigns involve persistent phishing and credential theft campaigns leading to intrusions and data theft. -
Untangling KNOTWEED: European private-sector offensive actor using 0-day exploits
MSTIC and MSRC disclose technical details of a private-sector offensive actor (PSOA) tracked as KNOTWEED using multiple Windows and Adobe 0-day exploits, including one for the recently patched CVE-2022-22047, in limited and targeted attacks against European and Central American customers. 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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Malicious IIS extensions quietly open persistent backdoors into servers
Attackers are increasingly leveraging managed IIS extensions as covert backdoors into servers, providing a durable persistence mechanism for attacks. -
North Korean threat actor targets small and midsize businesses with H0lyGh0st ransomware
A group of actors originating from North Korea that MSTIC tracks as DEV-0530 has been developing and using ransomware in attacks since June 2021. -
Uncovering a macOS App Sandbox escape vulnerability: A deep dive into CVE-2022-26706
Microsoft uncovered a vulnerability in macOS that could allow specially crafted codes to escape the App Sandbox and run unrestricted on the system. -
From cookie theft to BEC: Attackers use AiTM phishing sites as entry point to further financial fraud
A large-scale phishing campaign that attempted to target over 10,000 organizations since September 2021 used adversary-in-the-middle (AiTM) phishing sites to steal passwords, hijack a user’s sign-in session, and skip the authentication process, even if the user had enabled multifactor authentication (MFA).
