Microsoft Defender SmartScreen Security Feature Bypass Vulnerability

Microsoft Defender SmartScreen contains a security feature bypass vulnerability that could allow an attacker to evade Mark of the Web MOTW defenses via a specially crafted malicious file...

Google Moves to Block Invasive Spanish Spyware Framework

The Heliconia hacking tool exploited vulnerabilities in Chrome, Windows Defender, and Firefox, according to company security researchers...

VulnCheck KEV: CVE-2021-42298

Microsoft Defender Remote Code Execution Vulnerability...

WordPress Defender Security plugin <= 3.3.2 - Broken Authentication vulnerability

Broken Authentication vulnerability discovered by Calvin Alkan in the WordPress Defender Security plugin versions = 3.3.2. Solution Update the WordPress Defender Security plugin to the latest available version at least 3.3.3...

DEV-0569 finds new ways to deliver Royal ransomware, various payloads

Recent activity from the threat actor that Microsoft tracks as DEV-0569, known to distribute various payloads, has led to the deployment of the Royal ransomware, which first emerged in September 2022 and is being distributed by multiple threat actors. Observed DEV-0569 attacks show a pattern of...

The vulnerability of the WDAC OLE DB driver for SQL Server on the Windows operating system allows a hacker to execute arbitrary code or perform arbitrary actions.

The vulnerability of the WDAC OLE DB driver for SQL Server on the Windows operating system exists due to insufficient validation of input data. Exploiting this vulnerability allows a malicious actor to execute arbitrary code or perform unauthorized actions remotely...

Microsoft Defender Experts for Hunting demonstrates industry-leading protection in the 2022 MITRE Engenuity ATT&CK® Evaluations for Managed Services

Microsoft Defender Experts for Hunting, our newest managed threat hunting service, delivered industry-leading results during the inaugural MITRE Engenuity ATT&CK® Evaluations for Managed Services. We provided a seamless, comprehensive, and rapid response to the simulated attack using expert-led...

Microsoft Defender Experts for Hunting demonstrates industry-leading protection in the 2022 MITRE Engenuity ATT&CK® Evaluations for Managed Services

Microsoft Defender Experts for Hunting, our newest managed threat hunting service, delivered industry-leading results during the inaugural MITRE Engenuity ATT&CK® Evaluations for Managed Services. We provided a seamless, comprehensive, and rapid response to the simulated attack using expert-led...

Stopping C2 communications in human-operated ransomware through network protection

Command-and-control C2 servers are an essential part of ransomware, commodity, and nation-state attacks. They are used to control infected devices and perform malicious activities like downloading and launching payloads, controlling botnets, or commanding post-exploitation penetration frameworks ...

Stopping C2 communications in human-operated ransomware through network protection

Command-and-control C2 servers are an essential part of ransomware, commodity, and nation-state attacks. They are used to control infected devices and perform malicious activities like downloading and launching payloads, controlling botnets, or commanding post-exploitation penetration frameworks ...

Security Updates for Windows Defender (October 2022)

The Malware Protection Engine version of Microsoft Windows Defender installed on the remote Windows host is prior to 1.1.19700.3. It is, therefore, affected by a privilege escalation vulnerability. An authenticated attacker can exploit this to gain elevated privileges. %NASLMINLEVEL 80900 C...

Raspberry Robin Operators Selling Cybercriminals Access to Thousands of Endpoints

The Raspberry Robin worm is becoming an access-as-a-service malware for deploying other payloads, including IcedID, Bumblebee, TrueBot aka Silence, and Clop ransomware. It is "part of a complex and interconnected malware ecosystem, with links to other malware families and alternate infection...

Raspberry Robin worm part of larger ecosystem facilitating pre-ransomware activity

Microsoft has discovered recent activity indicating that the Raspberry Robin worm is part of a complex and interconnected malware ecosystem, with links to other malware families and alternate infection methods beyond its original USB drive spread. These infections lead to follow-on...

How to prevent lateral movement attacks using Microsoft 365 Defender

It’s been 10 years since the first version of the Mitigating Pass-the-Hash Attacks and Other Credential Theft whitepaper was made available, but the techniques are still relevant today, because they help prevent attackers from gaining a network foothold and using credential-dumping tools to extra...

How to prevent lateral movement attacks using Microsoft 365 Defender

It’s been 10 years since the first version of the Mitigating Pass-the-Hash Attacks and Other Credential Theft whitepaper was made available, but the techniques are still relevant today, because they help prevent attackers from gaining a network foothold and using credential-dumping tools to extra...

Secure your endpoints with Transparity and Microsoft

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. Endpoint protection platforms EPPs are dead and no longer sufficient to protect your organization, right? Wrong. When it comes to cybersecurity, the ability to normalize and correlat...

Securing IoT devices against attacks that target critical infrastructure

South Staffordshire PLC, a company that supplies water to over one million customers in the United Kingdom, notified its customers in August of being a target of a criminal cyberattack. This incident highlights the sophisticated threats that critical industries face today. According to South...

Microsoft fixes driver blocklist placing users at risk from BYOVD attacks

There may be an all-new acronym for you to try and remember, as a result of Microsoft fixing a lingering issue. This issue is called Bring Your Own Vulnerable Driver BYOVD, and BYOVD has been popping up in various forms for the last few months. These attacks may have been less impactful if a...

FUD-UUID-Shellcode - Another shellcode injection technique using C++ that attempts to bypass Windows Defender using XOR encryption sorcery and UUID strings madness

Introduction Another shellcode injection technique using C++ that attempts to bypass Windows Defender using XOR encryption sorcery and UUID strings madness :. How it works Shellcode generation Firstly, generate a payload in binary format using either CobaltStrike or msfvenom for instance, in...

Introducing new Microsoft Defender for Cloud innovations to strengthen cloud-native protections

Security teams face an expanding attack surface as organizations increasingly use cloud-native services to develop, deploy, and manage applications across their multicloud and hybrid environments. Their challenge is compounded by incomplete visibility, siloed processes, and a lack of prioritized...