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Credential theft
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Microsoft investigates Iranian attacks against the Albanian government
Shortly after the destructive cyberattacks on the Albanian government in mid-July, the Microsoft Detection and Response Team (DART) was engaged to lead an investigation into the attacks. -
Profiling DEV-0270: PHOSPHORUS’ ransomware operations
Microsoft threat intelligence teams have been tracking multiple ransomware campaigns tied to DEV-0270, also known as Nemesis Kitten, a sub-group of Iranian actor PHOSPHORUS. -
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. 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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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. -
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. -
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). -
Improving AI-based defenses to disrupt human-operated ransomware
To disrupt human-operated ransomware attacks as early as possible, we enhanced the AI-based protections in Microsoft Defender for Endpoint with a range of specialized machine learning techniques that swiftly identify and block malicious files, processes, or behavior observed during active attacks. 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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The many lives of BlackCat ransomware
The use of an unconventional programming language, multiple target devices and possible entry points, and affiliation with prolific threat activity groups have made the BlackCat ransomware a prevalent threat and a prime example of the growing ransomware-as-a-service (RaaS) gig economy. -
Beneath the surface: Uncovering the shift in web skimming
Web skimming campaigns now employ various obfuscation techniques to deliver and hide the skimming scripts. -
Ransomware as a service: Understanding the cybercrime gig economy and how to protect yourself
Microsoft coined the term “human-operated ransomware” to clearly define a class of attack driven by expert human intelligence at every step of the attack chain and culminate in intentional business disruption and extortion. -
A clearer lens on Zero Trust security strategy: Part 1
Today’s world is flooded with definitions and perspectives on Zero Trust, so we are kicking off a blog series to bring clarity to what Zero Trust is and means.
