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cloud.google.com /3 weeks ago

Defending Against Active Exploitation of Citrix NetScaler ADC and Gateway Appliances

Introduction In late September 2026, Mandiant Consulting and Google Threat Intelligence Group (GTIG) identified active, in-the-wild exploitation of a zero-day vulnerability (CVE-20...

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blogs.cisco.com /1 month ago

Black Hat USA 2026: Safeguarding DNS with Secure Access

Cisco is the Security Cloud Provider for the Black Hat conferences, over a decade providing DNS Security. Learn about protecting DNS with Secure Access.

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thehackernews.com /1 month ago

China-Linked Fire Ant Hijacks Cisco Routers to Steal Credentials and Blind Security Logs

A China-nexus cyber espionage actor tracked as Fire Ant has expanded a long-running campaign beyond VMware hypervisors to compromise Cisco IOS XR routers, Terminal Access Controlle...

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blogs.cisco.com /2 weeks ago

Chasing AMMYY at Splunk .conf

Discover how Cisco's Encrypted Visibility Engine (EVE) and Endace PCAP uncovered Flawed AMMYY RAT traffic at Splunk .conf without breaking TLS encryption.

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blogs.cisco.com /1 month ago

Black Hat USA 2026: Building the Agentic SOC, One Live Event at a Time

Cisco is the Security Cloud Provider for the Black Hat conferences. Learn about the latest innovations for the Agentic SOC.

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bleepingcomputer.com /3 weeks ago

Cisco warns of new SD-WAN zero-day exploited in attacks

Cisco released security updates to address a critical zero-day in the Catalyst SD-WAN Manager (tracked as CVE-2026-76504) that attackers are actively exploiting to escalate to admi...

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bleepingcomputer.com /1 month ago

Cisco FMC flaws exploited by ransomware gang, state-sponsored hackers

Cisco Talos says two recently patched Secure Firewall Management Center (FMC) vulnerabilities have been exploited by three separate threat clusters linked to ransomware and state-s...

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thehackernews.com /3 weeks ago

CISA Adds Exploited Cisco Catalyst SD-WAN Manager Auth Bypass to KEV

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a critical authentication bypass flaw impacting Cisco Catalyst SD-WAN Manager to its Known Explo...

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blogs.cisco.com /14 hours ago

Antares: a Security Analyst That Never Leaves Your Laptop – Security Loop Series, Part 1

A CWE advisory names your dependency, but not where the bug lives. See how Cisco's Antares-1B localizes it offline on a laptop, with auditable traces and honest benchmark numbers.

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blogs.cisco.com /2 weeks ago

One Cisco in Action: Inside the Agentic SOC at .conf26

Read how Cisco Cloud Control and Splunk Enterprise Security powered the live Agentic SOC at .conf26 to deliver unified TDIR across live event traffic.

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infosecurity-magazine.com /3 weeks ago

Critical Cisco Catalyst SD-WAN Zero-Day Under Active Exploitation

Vulnerability in Cisco Catalyst SD-WAN Manager allows an unauthenticated, remote attacker to access systems with admin privileges

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thehackernews.com /3 weeks ago

Cisco Warns of Attackers Exploiting Critical Authentication Bypass in SD-WAN Manager

Attackers are exploiting a new critical zero-day flaw in Cisco Catalyst SD-WAN Manager, the system companies use to manage their Cisco SD-WAN networks, Cisco said in an advisory on...

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cybersecuritynews.com /1 month ago

Hackers Exploit Critical Cisco Firewall Flaw to Gain Root Access and Deploy Malware

Cisco Talos has confirmed active exploitation of two vulnerabilities affecting Cisco Secure Firewall Management Center (FMC) Software, with state-sponsored hacking groups and a ran...

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thehackernews.com /1 month ago

Cisco Warns of New Zero-Day ISE Auth Bypass (CVSS 10.0) Exploited in Active Attacks

Cisco has warned of a fresh maximum-severity security flaw impacting Identity Services Engine (ISE) that has come under active exploitation. The vulnerability, tracked as CVE-2026...

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infosecurity-magazine.com /1 month ago

Cisco Warns of Active Exploitation of Critical ISE Flaw

Cisco urged ISE customers to apply a software update, as well as check for signs of exploitation

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blogs.cisco.com /1 month ago

Building a Risk-Based Secure Network Analytics Detection with Splunk Detection Editor (Alpha)

At Black Hat USA, we used Splunk Detection Editor Alpha to turn Cisco SNA alarms into risk events with context, drilldowns & analyst-ready investigation paths.

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bleepingcomputer.com /1 month ago

Cisco warns of max severity ISE zero-day exploited in attacks

Cisco has released security updates to address a maximum-severity Identity Services Engine vulnerability that attackers are actively exploiting in the wild. [...]

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gbhackers.com /1 month ago

Sandworm-Linked Cyclops Blink Returns With Network Scanning and Packet-Sniffing Capabilities

A newly identified Cyclops Blink variant has resurfaced on compromised Cisco Secure Firewall Management Center (FMC) appliances, adding active internal-network scanning and program...

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thehackernews.com /2 weeks ago

Antino Backdoor Uses Outlook and OneDrive for C2 in China-Nexus Espionage Campaign

Government and policy organizations across Asia have become the target of a new campaign orchestrated by a China-nexus threat actor. The activity, which has targeted government an...

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bleepingcomputer.com /1 month ago

Chinese Fire Ant hackers turn Cisco routers into spying platforms

The researchers discovered Fire Ant's new tactic after finding an active GRE (Generic Routing Encapsulation) tunnel interface on a Cisco IOS XR router that could not be explained b...

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thehackernews.com /1 month ago

Cisco FMC Flaws Exploited to Steal Credentials and Deploy Qilin Ransomware

Cisco has revealed that three distinct threat clusters linked to ransomware and state-sponsored attacks have been exploiting two recently patched Secure Firewall Management Center...

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thehackernews.com /1 week ago

Cisco Warns of Active Attacks Exploiting New Critical Secure Email Gateway Vulnerability

Attackers are exploiting a critical flaw in Cisco Secure Email Gateway that lets a sender with no login write files to the appliance's operating system, Cisco said in an advisory o...

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blogs.cisco.com /2 weeks ago

The Zero-Day Blind Spot: Why Your Agentic SOC needs Retrospective Packet Replay

Learn how the .conf26 Agentic SOC paired Endace full PCAP with Cisco Secure Firewall and Talos rules to retrospectively replay wire data against zero-days.

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thehackernews.com /3 weeks ago

Citrix NetScaler Post-Exploitation Payload Creates Superuser, Maps Web Shell to CSS-Like URLs

Threat actors have been observed exploiting a critical pre-authentication command injection vulnerability in Citrix NetScaler ADC and NetScaler Gateway to drop web shells and attem...

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