Cisco

4 min read

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• Zero-day
• zero-days

Cisco zero-day under ongoing attack by persistent threat group

Cyber Scoop May 15, 2026

Cisco zero-day under ongoing attack by persistent threat group...

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4 min read

• ArcaneDoor
• China
• Cisco
• Cybersecurity
• Cybersecurity and Infrastructure Security Agency (CISA)
• emergency directive
• Firestarter
• Government
• Malware
• nation-state hackers
• network edge devices
• Research
• Threats

US, UK agencies warn hackers were hiding on Cisco firewalls long after patches were applied

Cyber Scoop April 23, 2026

US, UK agencies warn hackers were hiding on Cisco...

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3 min read

• Cisco
• Cybersecurity
• edge devices
• Exclusive
• F5
• firewall
• firewalls
• Fortinet
• greynoise
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• Ivanti
• Juniper Networks
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• NetGear
• network edge devices
• Palo Alto Networks
• Research
• routers
• Technology
• Threats
• TP-Link
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• virtual private network (VPN)
• vmware
• vulnerabilities
• vulnerability disclosure

Network ‘background noise’ may predict the next big edge-device vulnerability

Cyber Scoop April 20, 2026

Network ‘background noise’ may predict the next big edge-device...

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4 min read

• AI
• Anthropic
• Apple
• artificial intelligence (AI)
• broadcom
• Cisco
• CrowdStrike
• Department of Defense (DOD)
• FFMpeg
• Linux
• Linux Foundation
• Microsoft
• open source
• OpenBSD
• Palo Alto Networks
• Project Glasswing
• vulnerabilities

Tech giants launch AI-powered ‘Project Glasswing’ to identify critical software vulnerabilities

Cyber Scoop April 7, 2026

Tech giants launch AI-powered ‘Project Glasswing’ to identify critical...

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5 min read

• Cisco
• Cybersecurity
• Cybersecurity and Infrastructure Security Agency (CISA)
• exploit
• firewall
• firewalls
• hacking
• known exploited vulnerabilities (KEV)
• ransomware
• Rapid7
• Research
• SD-WAN
• Threats
• VulnCheck
• vulnerabilities
• vulnerability disclosure
• Vulnerability Management
• vulnerability reporting
• Zero-day
• zero-days

Cisco’s latest vulnerability spree has a more troubling pattern underneath

Cyber Scoop March 18, 2026

Cisco’s latest vulnerability spree has a more troubling pattern...

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3 min read

• Cisco
• Cybersecurity
• edge devices
• firewall
• network edge devices
• Technology
• Threats
• vulnerability
• vulnerability disclosure

Cisco reveals 2 max-severity defects in firewall management software

Cyber Scoop March 5, 2026

Cisco reveals 2 max-severity defects in firewall management software...

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4 min read

• CISA
• Cisco
• Cisco Talos
• Cybersecurity
• Cybersecurity and Infrastructure Security Agency (CISA)
• Department of Homeland Security (DHS)
• edge devices
• Five Eyes
• network edge devices
• SD-WAN
• Threats
• vulnerability
• Zero-day
• zero-day exploit
• zero-days

Governments issue warning over Cisco zero-day attacks dating back to 2023

Cyber Scoop February 25, 2026

Governments issue warning over Cisco zero-day attacks dating back...

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3 min read

• apt
• China
• Cisco
• Cybersecurity
• Cybersecurity and Infrastructure Security Agency (CISA)
• Rapid7
• Research
• Threats
• Trend Micro
• Zero Day Initiative
• Zero-day
• zero-days

Cisco customers hit by fresh wave of zero-day attacks from China-linked APT

Cyber Scoop December 18, 2025

Cisco customers hit by fresh wave of zero-day attacks...

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3 min read

• China
• CISA
• Cisco
• cyber espionage
• Cybersecurity
• Cybersecurity and Infrastructure Security Agency (CISA)
• espionage
• firewall
• Government
• Technology
• Threats
• vulnerabilities
• Zero-day
• zero-days

CISA says it observed nearly year-old activity tied to Cisco zero-day attacks

Cyber Scoop September 25, 2025

CISA says it observed nearly year-old activity tied to...

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3 min read

• Censys
• China
• Cisco
• Cisco Talos
• Cybersecurity
• Cybersecurity and Infrastructure Security Agency (CISA)
• emergency directive
• firewall
• Government
• Microsoft Threat Intelligence Center
• Palo Alto Networks
• Research
• Threats
• Unit 42
• Zero-day
• zero-days

CISA alerts federal agencies of widespread attacks using Cisco zero-days

Cyber Scoop September 25, 2025

CISA alerts federal agencies of widespread attacks using Cisco...

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