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Threat Intelligence

Threat actor analysis, malware writeups, IOC reporting, CTI from a defender perspective.

8 articles

When Legitimate Drivers Go Rogue: Defending Against EDR Evasion - VITI Security
Threat Intelligence

When Legitimate Drivers Go Rogue: Defending Against EDR Evasion

The recent Lunex Stealer campaign, leveraging legitimate AMD drivers to disable EDR, highlights a critical shift in attacker tactics. We need to evolve our defenses beyond signature-based detection and focus on deeper system integrity.

Sep 27, 2026Read
Closing the Exploitability Gap: Validating CVEs Before Attackers Do - VITI Security
Threat Intelligence

Closing the Exploitability Gap: Validating CVEs Before Attackers Do

It's no longer enough for a scanner to flag a CVE. We need to actively prove if a vulnerability is truly exploitable in our environment before an attacker beats us to it.

Sep 20, 2026Read
CISA Flags Exploited Flaws: Why Your SMB Needs to Patch Now - VITI Security
Threat Intelligence

CISA Flags Exploited Flaws: Why Your SMB Needs to Patch Now

CISA recently added critical Cisco, Citrix, and Fortinet flaws to its Known Exploited Vulnerabilities catalog. This isn't just a federal mandate; it's a clear signal that these vulnerabilities are actively being weaponized, and every SMB needs to act immediately.

Sep 10, 2026Read
When Your Firewall's Brain is Vulnerable: Lessons from CVE-2026-20079 - VITI Security
Threat Intelligence

When Your Firewall's Brain is Vulnerable: Lessons from CVE-2026-20079

A critical authentication bypass in Cisco's Secure Firewall Management Center (FMC) is being actively exploited, highlighting the severe risk of vulnerabilities in core security infrastructure. This incident underscores the urgent need for robust management plane security and proactive patching.

Sep 10, 2026Read
Zero-Click Attacks on Mobile Apps: Defending Against Autonomous Worms - VITI Security
Threat Intelligence

Zero-Click Attacks on Mobile Apps: Defending Against Autonomous Worms

A recent zero-click WeChat worm demonstrates how autonomous mobile malware bypasses user interaction. Here is how practitioners should evaluate mobile risk.

Sep 8, 2026Read
Browser Extensions: A Post-Compromise Persistence Nightmare - VITI Security
Threat Intelligence

Browser Extensions: A Post-Compromise Persistence Nightmare

Compromised browser extensions like PEEP are not just annoyances; they're stealthy backdoors for command execution and data exfiltration after an initial breach. Securing your endpoints requires a layered approach, focusing on robust EDR, strict application control, and proactive browser management.

Sep 8, 2026Read
Invisible Phishing: Re-calibrating Your Email Gateway Defenses - VITI Security
Threat Intelligence

Invisible Phishing: Re-calibrating Your Email Gateway Defenses

A new high-volume phishing campaign leverages invisible Unicode characters to bypass email filters. This means standard regex-based content scanning is falling short, requiring a shift to advanced normalization and behavioral analysis at the gateway.

Sep 5, 2026Read
From Curiosity to Federal Court: How Black Hat Hackers Get Caught - VITI Security
Threat Intelligence

From Curiosity to Federal Court: How Black Hat Hackers Get Caught

May 11, 2026Read