CISA

Chinese hackers used VMware ESX zero-day; PHP2Shell and Fragnesia chained to root firewalls

Chinese hackers used VMware ESX zero-day; PHP2Shell and Fragnesia chained to root firewalls 2026-10-29 at 18:25 By Zeljka Zorz China-nexus threat actors have exploited a VMware ESX zero-day to hide their tracks and chained PHP2Shell flaws with the “Fragnesia” Linux kernel bug to root servers and firewalls, cybersecurity researchers claim. Cisco has also confirmed that […]

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CISA updates ScubaGear and ScubaGoggles, and says Microsoft 365 checks get faster

CISA updates ScubaGear and ScubaGoggles, and says Microsoft 365 checks get faster 2026-10-28 at 11:38 By Mirko Zorz CISA released ScubaGear v2.0 and ScubaGoggles v1.1.0, new versions of the open-source tools it publishes to check Microsoft 365 and Google Workspace settings against its security baselines. The agency calls ScubaGear v2.0 the most comprehensive update to […]

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CISA lays out plan to push cyber adversaries out of US critical infrastructure

CISA lays out plan to push cyber adversaries out of US critical infrastructure 2026-10-27 at 14:14 By Anamarija Pogorelec The Cybersecurity and Infrastructure Security Agency (CISA) has released CISA 2030: Defend, Harden, Prevail, a strategy to strengthen national security and the resilience of critical infrastructure. It addresses intersecting cyber, physical, and geopolitical threats that can […]

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CISA flags exploited flaws in Palo Alto, Cisco and Ahsay products

CISA flags exploited flaws in Palo Alto, Cisco and Ahsay products 2026-10-15 at 13:43 By Sinisa Markovic The US Cybersecurity and Infrastructure Security Agency (CISA) has added four new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: CVE-2026-0322, a high-severity remote code execution (RCE) vulnerability in the management interface of Palo Alto Networks PAN-OS CVE-2026-76519, […]

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Attackers chained three Ivanti zero-days to gain root on fully patched VPN appliances

Attackers chained three Ivanti zero-days to gain root on fully patched VPN appliances 2026-10-14 at 11:59 By Zeljka Zorz A threat actor has been using an exploit chain combining three vulnerabilities in Ivanti’s Connect Secure (ICS) appliances to breach organizations, collect credentials, exfiltrate configuration data, and perform network reconnaissance. “In the first week of October […]

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FBI disrupts Flax Typhoon hacking tools used in global cyberattacks

FBI disrupts Flax Typhoon hacking tools used in global cyberattacks 2026-10-09 at 12:44 By Sinisa Markovic The FBI seized seven domains used to operate Microscan and FishHub, two hacking tools linked to Chinese state-sponsored hackers known as Flax Typhoon that were used to target critical infrastructure and other organizations in the US and abroad. Seizure […]

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CISA flags new exploited NetScaler flaw as attackers crash appliances (CVE-2026-88779)

CISA flags new exploited NetScaler flaw as attackers crash appliances (CVE-2026-88779) 2026-10-05 at 17:53 By Zeljka Zorz CISA has added another Citrix NetScaler vulnerability to its Known Exploited Vulnerabilities catalog on Sunday: CVE-2026-88779, a memory overflow bug that may cripple vulnerable NetScaler ADCs and Gateways. “Citrix has observed targeted attacks on unmitigated NetScaler deployments which […]

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Citrix NetScaler RCE zero-days exploited globally for weeks (CVE-2026-88771, CVE-2026-88772)

Citrix NetScaler RCE zero-days exploited globally for weeks (CVE-2026-88771, CVE-2026-88772) 2026-09-28 at 12:51 By Zeljka Zorz Citrix has patched eight critical and high-severity vulnerabilities in NetScaler ADC and NetScaler Gateway, two of which (CVE-2026-88771, CVE-2026-88772) have been exploited in zero-day attacks to plant webshells on compromised devices. Rumors about their existence and active exploitation popped […]

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CISA Election Security Plan Flags Patching Barriers, Voter Database Attacks

CISA Election Security Plan Flags Patching Barriers, Voter Database Attacks 2026-09-25 at 15:39 By Eduard Kovacs Homeland Security Secretary Markwayne Mullin tasked CISA with developing the plan in July.  The post CISA Election Security Plan Flags Patching Barriers, Voter Database Attacks appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source

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OT Security Guidance: NIST Drafts Updated Guide, CISA/FBI Advise on ICS Integrators

OT Security Guidance: NIST Drafts Updated Guide, CISA/FBI Advise on ICS Integrators 2026-09-24 at 14:05 By Eduard Kovacs Revision 4 of NIST’s operational technology security guide is open for public comments until November 30. The post OT Security Guidance: NIST Drafts Updated Guide, CISA/FBI Advise on ICS Integrators appeared first on SecurityWeek. This article is […]

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Attackers hit Check Point Management Servers and Spark firewalls, F5 BIG-IP APM instances

Attackers hit Check Point Management Servers and Spark firewalls, F5 BIG-IP APM instances 2026-09-23 at 13:22 By Zeljka Zorz Check Point Software has released emergency fixes for a critical Check Point Management Server vulnerability (CVE-2026-93616) that has been exploited as far back as July 23, 2026. The company also confirmed that a pre-authentication remote code […]

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CISA Retires Weekly Vulnerability Bulletin in Risk-Based Pivot

CISA Retires Weekly Vulnerability Bulletin in Risk-Based Pivot 2026-09-17 at 17:28 By Eduard Kovacs The decision follows BOD 26-04, which directs federal organizations to prioritize vulnerabilities based on real-world risk. The post CISA Retires Weekly Vulnerability Bulletin in Risk-Based Pivot appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source

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CISA wants critical infrastructure orgs and smaller security teams to start using cyber decoys

CISA wants critical infrastructure orgs and smaller security teams to start using cyber decoys 2026-09-17 at 15:51 By Zeljka Zorz Cyber deception has long been the domain of well-resourced security teams, but CISA’s latest guidance, titled “Using Cyber Decoys to Strengthen Detection and Response”, is an attempt to try and change that. Why decoys, and […]

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CISA Releases Cyber Decoy Guidance to Strengthen Critical Infrastructure Defenses

CISA Releases Cyber Decoy Guidance to Strengthen Critical Infrastructure Defenses 2026-09-17 at 10:53 By Ionut Arghire Complementing Zero Trust models, decoys enable organizations to detect, observe, and block malicious activity in their environments. The post CISA Releases Cyber Decoy Guidance to Strengthen Critical Infrastructure Defenses appeared first on SecurityWeek. This article is an excerpt from […]

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NIST and CISA finalize playbook to stop token theft and forgery

NIST and CISA finalize playbook to stop token theft and forgery 2026-09-16 at 10:40 By Anamarija Pogorelec NIST and CISA have finalized guidelines to help federal agencies and cloud service providers (CSPs) protect identity and access tokens from forgery, theft, and misuse. The guidance, Protecting Tokens and Assertions from Forgery, Theft, and Misuse (NIST IR […]

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Chinese AI firms are siphoning capabilities from American models, CISA warns

Chinese AI firms are siphoning capabilities from American models, CISA warns 2026-09-09 at 12:55 By Anamarija Pogorelec China-based AI companies are using large-scale knowledge distillation campaigns to copy capabilities from leading U.S. AI models, according to a joint cybersecurity advisory from the CISA, NSA, and FBI. Knowledge distillation is a standard AI training technique that […]

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CISA review makes the case for eliminating vulnerability classes

CISA review makes the case for eliminating vulnerability classes 2026-09-01 at 18:23 By Zeljka Zorz For years, the security industry has treated vulnerabilities as an endless queue of individual fixes. A recent CISA review argues that this is precisely why attackers keep winning. The solution to this problem, they believe, is eliminating entire categories of […]

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CISA: Over 100 Internet-Exposed Water Systems Targeted in July Cyberattacks

CISA: Over 100 Internet-Exposed Water Systems Targeted in July Cyberattacks 2026-08-26 at 14:29 By Eduard Kovacs The agency has released guidance on reducing internet exposure in the wake of the recent Iran-linked hacker attacks. The post CISA: Over 100 Internet-Exposed Water Systems Targeted in July Cyberattacks appeared first on SecurityWeek. This article is an excerpt […]

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Critical Gitea vulnerability now exploited in the wild (CVE-2026-60004)

Critical Gitea vulnerability now exploited in the wild (CVE-2026-60004) 2026-08-26 at 13:59 By Zeljka Zorz Attackers have begun exploiting CVE-2026-60004, a critical code injection vulnerability in the Gitea Git platform, CISA confirmed on Tuesday by adding the vulnerability to its Known Exploited Vulnerabilities (KEV) catalog. The KEV entry does not contain or point to details […]

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Unpatched Zimbra servers are falling to CVE-2026-73570 attacks

Unpatched Zimbra servers are falling to CVE-2026-73570 attacks 2026-08-25 at 13:03 By Zeljka Zorz At least 274 internet-facing Zimbra instances have been compromised by unknown attackers via CVE-2026-73570, the Shadowserver Foundation shared on Monday. About CVE-2026-73570 Zimbra Collaboration Suite (ZCS) is a communication and collaboration platform popular with organizations that need to have control over […]

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