Tag: endpoint security
44 articles
Autonomous Endpoint Management Gains Urgency in Public Sector Networks
Public sector networks are facing a daunting challenge: managing tens of thousands of endpoints scattered across diverse environments, from remote mountain sites to manned stations and mobile units. Take the Coast Guard, for instance, which operates 1,500 locations worldwide, each with its own unique connectivity and security needs.
Wazuh Tackles Shadow IT Visibility Gaps with Endpoint Telemetry
Traditional network discovery scans can't see it all - devices can be powered off, isolated, or silent, leaving gaps in your visibility. Endpoint telemetry offers a clearer picture, revealing what's really running, even when network scans can't see it.
NightmareEclipse Exploits Microsoft Defender Update Process
Meet BigDiskBuster, a clever tool created by NightmareEclipse that cleverly blocks Microsoft Defender updates, leaving you stuck with your current version if it's running in the background. This proof-of-concept has been designed to prevent platform and security intelligence updates from installing.
Microsoft Fixes Defender Bug Behind False Antivirus Alerts
Microsoft has squashed a bug in its Defender Antivirus software that was causing false alerts saying the protection was turned off, even when it was working properly. The fix is now live in update version 4.18.26080.4, which you can install to get back to worry-free browsing.
Security Teams Struggle to Connect Dots in Cross-Environment Attacks
Attacks are getting more complex, with 43% of incidents spreading across four or more environments - and in some cases, as many as eight. Security teams struggle to piece together these cross-environment attacks, making it crucial to connect the dots between disparate signals.
AI Coding Agents Expose Corporate Networks to Untrusted Code
The alarming truth is that AI coding agents are unwittingly putting corporate networks at risk by blindly trusting untrusted code, leaving them vulnerable to security breaches. Thousands of agent manifest files have already been uncovered in a wide scan of corporate domains, exposing a massive supply-chain surface that's not adequately protected.
Security Researcher Exploits CrowdStrike Falcon with New Zero-Day Bug
A security researcher known as Nightmare Eclipse has made a stunning discovery, exploiting a zero-day bug in CrowdStrike's Falcon software and prompting the company to urge customers to disable a key Windows policy setting. This latest finding is part of a string of proof-of-concept exploits released by the researcher, targeting major cybersecurity products.
Researcher Exposes Privilege Escalation Flaw in CrowdStrike Falcon
A security researcher, known as Chaotic Eclipse, has uncovered a zero-day privilege escalation flaw in CrowdStrike Falcon, dubbed FalconFlank, which exploits the office malicious macros remediation feature. This vulnerability allows for a potentially devastating escalation of privileges, and a public proof-of-concept has been released.
Microsoft Disregards Defender Alerts as False Positives
If you've recently updated Microsoft Defender Antivirus, you might be seeing annoying false alarms claiming it's turned off - but don't worry, it's still working hard to protect you. These pesky alerts are affecting all supported Windows versions, including Windows 11 26H1 and Windows Server 2025.
AI-Enabled Malware Detected but Not Dominant
The surprising truth about AI-enabled malware: despite collecting 405 samples, only 12 actually appeared on customer endpoints, revealing a significant gap in detection. This finding highlights the limited presence of AI-powered threats in the wild.
MaaS Operators Combine ErrTraffic, ClickFix to Evade Endpoint Security
Cyber attackers have launched a sneaky campaign that combines ErrTraffic and ClickFix to outsmart endpoint security, starting with compromised WordPress sites that inject obfuscated JavaScript to evade detection. This clever tactic uses the Ethereum blockchain to stay one step ahead of security tools.
Microsoft Fixes Bug Disrupting Windows Defender Scans
Windows Defender was acting up, causing scans to fail and crashes with annoying error messages - but thankfully, Microsoft has swooped in to fix the problem. The update resolves issues with 0xc0000005 access violation errors and pesky "Threat service has stopped" messages on Windows 10 and 11 devices.
Akira Ransomware Gang Foiled by Safe Mode Reboot
In a surprising twist, an Akira ransomware affiliate inadvertently sabotaged its own attack by rebooting a victim's system into Safe Mode, thwarting the mass-encryption step but not before exfiltrating sensitive credentials and files. This unexpected turn of events highlights the unpredictable nature of cyber attacks.
Microsoft Defender for Endpoint update cripples Linux protection
A recent update to Microsoft Defender for Endpoint has caused a major hiccup, crippling Linux protection and potentially leaving some devices vulnerable. The issue affects specific Linux versions, and a simple upgrade or reinstall followed by a reboot could be the culprit behind a disabled Defender service.
AI Coding Agents Trigger Endpoint Security Rules Meant for Attackers
In a surprising twist, over half of the blocked activity detected by Sophos in June 2026 came from developer coding assistants, not hackers, triggering endpoint security rules meant to catch malicious actors. This unexpected behavior highlights the need for a closer look at the intersection of AI-powered coding tools and cybersecurity protocols.
macOS Flaw Enables Users to Disable EDR, MDM Tools
A security flaw in macOS has been discovered that allows users to quietly disable crucial enterprise security tools, including EDR and MDM, without needing administrator privileges. This gap in endpoint security models could leave businesses vulnerable to attacks.
Gentlemen Ransomware Targets EDR Defenses With Suite of Killers
Meet GentleKiller, a powerful tool used by Gentlemen ransomware to disable EDR defenses by targeting over 400 processes from 48 security vendors, allowing for smooth data theft and encryption. This sneaky utility relies on the bring your own vulnerable driver (BYOVD) technique to outsmart security engines.
Security Insider Exposes New Hire's Chaotic Tactics
A security insider recounts a tense confrontation with a new colleague over a departing workstation, revealing a chaotic approach to security protocols. The staffer's casual exit with a PC under their arm sparks a heated debate about data safety and responsibility.
Threat Actor Leverages AI to Craft EDR Evasion Tools
Sophos X-Ops stumbled upon a secret laboratory while investigating a routine endpoint alert, uncovering a trove of AI-powered tools designed to sneak past modern EDR agents. The surprising discovery revealed a sophisticated operation using partly AI-generated Python scripts to craft evasive tools.
Hackers Exploit FortiClient Flaw to Deliver Infostealer Malware
Hackers are exploiting a vulnerability in FortiClient Enterprise Management Server to deliver infostealer malware, cleverly disguising the payload as a legitimate Fortinet endpoint update. This sneaky tactic uses FortiClient-managed VPN scripting workflows to execute the malicious code, putting security teams on high alert.
Microsoft Defender Automatically Isolates Hacked Endpoints
Microsoft Defender for Endpoint just got a major boost with its new automatic isolation feature, which swiftly isolates compromised devices to prevent attackers from wreaking havoc on your organization. This cutting-edge capability is part of Microsoft's automatic attack disruption feature, designed to contain threats and give security teams more time to respond.
Microsoft Introduces Automated Windows Driver Rollback Feature
Microsoft's new Cloud-Initiated Driver Recovery feature lets them swiftly roll back faulty Windows drivers, so you don't have to - no more manual uninstalls or waiting for an updated driver from the hardware partner. This means your device can quickly get back on track with a reliable driver.
CISA Mandates Patching of Ivanti Flaw Exploited in Zero-Day Attacks
The US Cybersecurity and Infrastructure Security Agency (CISA) is requiring immediate patching of a high-risk Ivanti flaw, CVE-2026-6973, that allows attackers with admin privileges to remotely execute code on vulnerable systems. This critical vulnerability affects Ivanti Endpoint Manager Mobile (EPMM) version 12.8.0.0 and earlier.
MacOS Attacks Evolve, Exploiting Native Tools for Stealth
As macOS use surges in enterprise environments, accounting for over 45% of organizations, attackers are getting creative - exploiting native tools like Remote Application Scripting, Terminal, and AppleScript to stealthily run code, move undetected, and evade security measures. Cisco Talos warns that these tactics allow hackers to issue malicious instructions across processes and systems without triggering conventional monitoring.