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Threat Intelligence

CISA KEV List Quietly Added New Ransomware Signatures—Defenders Must React

CISA KEV List Quietly Added New Ransomware Signatures—Defenders Must React

GreyNoise’s latest research uncovered that the Cybersecurity and Infrastructure Security Agency (CISA) silently refreshed its Known Exploited Vulnerabilities (KEV) list with additional ransomware signatures. The update was not announced publicly, but the team detected the change by correlating newly observed malicious payload hashes with the KEV feed, revealing a

Ransomware activity spikes across SMEs 🚨. AI tools reshape threat detection and Zero Trust implementation 🤖🔐.

Ransomware activity spikes across SMEs 🚨. AI tools reshape threat detection and Zero Trust implementation 🤖🔐.

Hello! Here’s your Daily Cybersecurity & AI Threat Intelligence Newsletter for February 3, 2026. Today's headlines * CISA’s KEV ransomware updates surface in GreyNoise analysis. * CrowdStrike earns 2026 Gartner Customers’ Choice for application security. * Check Point’s 2026 report highlights AI‑driven attack techniques. * CrowdStrike Falcon achieves

Vulnerabilities & Exploits

CrowdStrike Wins Gartner 2026 ASPM Customer Choice – A Defender’s Edge

CrowdStrike Wins Gartner 2026 ASPM Customer Choice – A Defender’s Edge

CrowdStrike’s Attack Surface Management (ASPM) platform was named the 2026 Gartner Peer Insights Customer Choice award winner after a broad survey of users in finance, healthcare, travel and other high‑risk sectors. The accolade reflects consistently high satisfaction scores, with respondents praising the tool’s ability to pull together

Vulnerabilities & Exploits

CISA Sneaks New Ransomware Families into KEV List – Defenders Must React

CISA Sneaks New Ransomware Families into KEV List – Defenders Must React

GreyNoise researchers discovered that the Cybersecurity and Infrastructure Security Agency (CISA) has quietly expanded its Known Exploited Vulnerabilities (KEV) list with several new ransomware families. The additions coincide with a measurable rise in exploitation attempts targeting U.S. organizations, as threat actors weaponize these newly cataloged flaws to gain initial

Threat Intelligence

Public Hacking Tools Blur Attribution, Raising Defender Workload

The CISA advisory warns that the flood of publicly available hacking utilities is eroding the effectiveness of traditional attribution techniques. Because dozens of threat actors now download and run the same off‑the‑shelf exploits, malware, and post‑exploitation scripts, simple indicator‑based analysis can no longer reliably point to

Vulnerabilities & Exploits

Early Spike Alerts Reveal Real‑Time CVE Exploitation Activity

Early Spike Alerts Reveal Real‑Time CVE Exploitation Activity

GreyNoise’s CVE Disclosure Early Warning service continuously scans global internet traffic for patterns that indicate active exploitation of freshly disclosed vulnerabilities. When a sudden increase in probing or attack traffic targeting a specific CVE is detected, the platform generates an alert that includes a risk score, geographic source data,

SOC & Automation

Real‑Time GreyNoise Blocklists Cut Noise for SMBs

Real‑Time GreyNoise Blocklists Cut Noise for SMBs

GreyNoise launched a new suite of real‑time blocklists designed specifically for small and mid‑sized enterprises. The feeds automatically flag and drop traffic from IPs that have been observed engaging in scanning, credential‑stuffing, or other suspicious behavior, allowing firewalls and proxies to block threats without manual rule creation.

Threat Intelligence

CISA Flags Surge of Public Off‑the‑Shelf Attack Tools

The Cybersecurity and Infrastructure Security Agency (CISA) released an activity alert highlighting the rapid proliferation of publicly available offensive cyber tools. The advisory lists dozens of utilities—including remote access frameworks, credential‑dumping scripts, and exploit kits—that are now easily downloadable from open‑source repositories and underground forums. It