3202 matches found
Security Bulletin: Vulnerabilities in Apache Tomcat and Lodash might affect IBM Storage Defender Copy Data Management
Summary IBM Storage Defender Copy Data Management can be affected by vulnerabilities in Apache Tomcat and Lodash. Vulnerabilities include Improper Input Validation vulnerability in Apache Tomcat, Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apach...
Breaking the code: Multi-stage ‘code of conduct’ phishing campaign leads to AiTM token compromise
In this article 1. Multi-step social engineering campaign leading to credential theft 2. Mitigation and protection guidance 3. Microsoft Defender detections 4. Hunting queries 5. Indicators of compromise Phishing campaigns continue to improve sophistication and refinement in blending social...
CVE-2026-31431: Copy Fail vulnerability enables Linux root privilege escalation across cloud environments
In this article 1. Vulnerability details 2. Mitigation and protection guidance 3. Microsoft Defender XDR detections 4. References 5. Learn more Microsoft Defender is investigating a high-severity local privilege escalation vulnerability CVE-2026-31431 affecting multiple major Linux distributions...
What’s new, updated, or recently released in Microsoft Security
New capabilities in Microsoft Agent 365; new Microsoft Defender and GitHub integration At Microsoft, security innovations are purpose-built to help every organization protect end-to-end with the speed and scale of AI. Our vision is simple: security should be ambient and autonomous, just like the ...
What’s new, updated, or recently released in Microsoft Security
New capabilities in Microsoft Agent 365; new Microsoft Defender and GitHub integration At Microsoft, security innovations are purpose-built to help every organization protect end-to-end with the speed and scale of AI. Our vision is simple: security should be ambient and autonomous, just like the ...
Email threat landscape: Q1 2026 trends and insights
In this article 1. Tycoon2FA disruption impact 2. QR code phishing attacks 3. CAPTCHA tactics 4. Malicious payloads 5. Business email compromise 6. Defending against email threats 7. Microsoft Defender detections During the first quarter of 2026 January-March, Microsoft Threat Intelligence detect...
Email threat landscape: Q1 2026 trends and insights
In this article 1. Tycoon2FA disruption impact 2. QR code phishing attacks 3. CAPTCHA tactics 4. Malicious payloads 5. Business email compromise 6. Defending against email threats 7. Microsoft Defender detections During the first quarter of 2026 January-March, Microsoft Threat Intelligence detect...
CVE-2025-50328
A vulnerability in B1 Free Archiver v1.5.86 allows files extracted from downloaded archives to bypass Windows Mark of the Web MotW protections. When an archive is downloaded from the internet and extracted using B1 Free Archiver, the software fails to propagate the 'Zone.Identifier' alternate dat...
PT-2026-36002
Name of the Vulnerable Software and Affected Versions B1 Free Archiver version 1.5.86 Description An issue exists where files extracted from downloaded archives bypass Windows Mark of the Web MotW protections. The software fails to propagate the Zone.Identifier alternate data stream—a mechanism...
CVE-2025-50328
A vulnerability in B1 Free Archiver v1.5.86 allows files extracted from internet-downloaded archives to bypass Windows Mark of the Web (MotW) protections. The software fails to propagate the 'Zone.Identifier' alternate data stream to extracted files, which is the mechanism Windows uses to identif...
Five defender priorities from the Talos Year in Review
A familiar theme in security right now is that the barrier to entry for attackers is at an all-time low. AI tools can spin up websites within minutes that can easily direct data to disposable external data stores and send alerts for new captures -- all without code. One such case was recently...
Dynamic Cyber Ranges
As LLM-driven agents advance in cybersecurity, Jeopardy CTF benchmarks are approaching saturation and cyber ranges, the natural next evaluation frontier, offer diminishing resistance under their current static design. We validate this observation by deploying an LLM-driven Advanced Persistent...
Don’t Wait for a Patch. Mitigate RedSun Zero-Day Risk in Microsoft Defender Today
Key Takeaways RedSun is a critical zero-day vulnerability in Microsoft Defender that allows low-privileged users to gain SYSTEM access No patch is currently available, leaving all Defender-enabled Windows systems potentially exposed Qualys VMDR detects affected assets instantly QID 92382 TruRisk...
Exploit for Insufficient Granularity of Access Control in Microsoft
🔨 CVE-2026-33825: BlueHammer Microsoft Defender Elevation o...
CISA Adds One Known Exploited Vulnerability to Catalog
CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-33825link is external Microsoft Defender Insufficient Granularity of Access Control Vulnerability This type of vulnerability is a frequent attack vector for...
Microsoft Defender Insufficient Granularity of Access Control Vulnerability
Microsoft Defender contains an insufficient granularity of access control vulnerability that could allow an authorized attacker to escalate privileges locally...
Detection strategies across cloud and identities against infiltrating IT workers
In this article 1. Attack chain overview 1. Activities in pre-recruitment phase 2. Activities in recruiting phase 3. Activities in post-recruitment phase 2. Mitigation and protection guidance 3. Microsoft Defender XDR detections The shift to remote and hybrid work since the pandemic expanded glob...
Three Microsoft Defender Zero-Days Actively Exploited; Two Still Unpatched
Huntress is warning that threat actors are exploiting three recently disclosed security flaws in Microsoft Defender to gain elevated privileges in compromised systems. The activity involves the exploitation of three vulnerabilities that are codenamed BlueHammer requires GitHub sign-in, RedSun, an...
April Microsoft Patch Tuesday
April Microsoft Patch Tuesday. A total of 167 vulnerabilities, about twice as many as in March. There is one vulnerability already being exploited in the wild: 🔻 Spoofing - Microsoft SharePoint Server CVE-2026-32201. ZDI experts say "Spoofing bugs in SharePoint often manifest as cross-site...
ThreatsDay Bulletin: Defender 0-Day, SonicWall Brute-Force, 17-Year-Old Excel RCE and 15 More Stories
You know that feeling when you open your feed on a Thursday morning and it's just... a lot? Yeah. This week delivered. We've got hackers getting creative in ways that are almost impressive if you ignore the whole "crime" part, ancient vulnerabilities somehow still ruining people's days, and enoug...