Tag: network security
208 articles
US Cyber Official Warns of AI-Driven Identity Security Risks
As AI-driven threats evolve, securing identities is more crucial than ever - in fact, a top US cyber official warns that controlling who and what gets onto a network is now our first line of defense. By prioritizing identity security, we can prevent attackers from exploiting vulnerabilities and gaining a foothold in our systems.
Federal Leaders Modernize Networks to Bolster Security and Scale
Federal leaders are on a critical mission to modernize their networks, and it's a challenge that requires constant momentum and adaptability in a high-pressure, global landscape. By upgrading their IT infrastructure, they're working to achieve a crucial goal: delivering secure, seamless connectivity that can keep pace with their dynamic needs.
Cisco SD-WAN Flaw Exploited in Zero-Day Attacks
A critical vulnerability in Cisco's SD-WAN system is being actively exploited, allowing attackers to bypass authentication and gain unauthorized access. This high-risk flaw, tracked as CVE-2026-20182, affects both on-prem and cloud deployments of Cisco Catalyst SD-WAN products.
Cisco SD-WAN Flaw Actively Exploited for Admin Access
Cisco is urging customers to update their SD-WAN systems immediately due to a critical vulnerability that allows hackers to bypass authentication and gain admin access. This high-severity flaw, already being exploited, could put your entire system at risk if left unpatched.
Cisco CEO Warns of Growing Risk from Unpatchable Technology
Cisco CEO Chuck Robbins warns that unpatchable technology poses a growing risk, and he's turning to AI tools like Anthropic's Claude Mythos to accelerate modernization and safeguard infrastructure. By leveraging Mythos, Cisco aims to not only boost productivity but also help customers replace outdated equipment that can no longer be patched.
FCC Extends Security Update Deadline for Banned Routers
The FCC is giving banned routers a lifeline with an extended security update deadline, ensuring they stay safe and functional with continued software and firmware updates. This move comes after the commission banned the import and sale of certain foreign-made routers in March 2026 due to national security concerns.
Firewalls Evolve to Bolster Zero Trust, Cloud Security
As organisations navigate the complexities of multi-cloud estates, modern cloud firewalls are emerging as a crucial linchpin for reclaiming coherent security controls and mastering cloud networking. They're not old tech, but a vital tool for cloud architects and security pros to enforce robust, zero-trust security across multiple providers.
Weak Passwords Expose Networks to Unintended Access
Even a seasoned expert like Roger Grimes, CISO advisor at KnowBe4, has fallen victim to the pitfalls of weak passwords - in a surprising turn of events, he recalling a time when he accidentally gained access to a client's network using the password "rosebud", famously lifted from a film plot.
Palo Alto Networks Discloses Zero-Day Flaw in PAN-OS Software
Palo Alto Networks has issued a warning about a zero-day flaw in its PAN-OS software, tracked as CVE-2026-0300, which allows unauthenticated remote code execution with root privileges. This buffer overflow vulnerability in the User-ID Authentication Portal poses a high risk to PA-Series and VM-Series firewalls.
Cisco Discloses High-Severity DoS Flaw Requiring Manual Reboot
Beware: a high-severity flaw in Cisco's system could allow attackers to overwhelm your network, causing a manual reboot to regain control. This vulnerability can be exploited remotely with ease, putting your connection resources at risk of exhaustion and leaving you vulnerable to a denial-of-service condition.
Palo Alto Networks Flaw Exploited for Remote Code Execution
A critical vulnerability in Palo Alto Networks' PAN-OS software has been exploited, allowing hackers to execute malicious code with root privileges on firewalls - and all it takes is a few specially crafted packets. This buffer overflow flaw, tracked as CVE-2026-0300, puts PA-Series and VM-Series firewalls at risk of remote code execution attacks.
Palo Alto Networks Bolsters AI Security With Portkey Acquisition
Palo Alto Networks is taking a major leap in AI security with its acquisition of Portkey, a cutting-edge startup that offers an AI agent gateway to streamline and secure communications among autonomous agents. This move will enable centralized control and oversight, ensuring safer interactions between AI agents.
CISA Exposes Persistent FIRESTARTER Backdoor in Cisco Devices
CISA and NCSC have uncovered a sneaky FIRESTARTER backdoor lurking in Cisco devices, allowing hackers to regain control even after patches are applied. This persistent threat can leave devices vulnerable to re-entry, putting your entire network at risk.
FCC Expands Foreign Router Ban to Mobile Hotspots
The FCC has expanded its ban on foreign-made routers to include mobile hotspots and home devices that use LTE or 5G connections, affecting U.S. consumers and small businesses. This move now explicitly prohibits the sale of portable Wi-Fi hotspots and home routers manufactured abroad.
Hackers Exploit Cisco Firewalls with Persistent Backdoor
A custom implant called Firestarter can infiltrate Cisco network security devices, evading patches and routine reboots by manipulating device boot configuration to restore itself. Only a hard reboot, physically disconnecting the device from its power supply, can clear the persistence mechanism from memory.
Wi-Fi Encryption Flaws Expose Enterprises to AirSnitch Attacks
Enterprises are in grave danger of being hacked through their Wi-Fi networks, as newly discovered AirSnitch attacks can bypass WPA2 and WPA3-Enterprise encryption, exposing sensitive credentials and backend systems to both insider and remote threats. This critical vulnerability undermines the very foundations of wireless network security.
CISA Warns of Active Cisco SD-WAN Exploits
The US Cybersecurity and Infrastructure Security Agency (CISA) has issued a high-priority warning to federal agencies, ordering them to patch three critical Cisco SD-WAN vulnerabilities within four days after discovering they're being actively exploited by hackers. This urgent directive comes after Cisco patched the flaws in its Catalyst SD-WAN Manager platform.
Fraud Prevention Evolves to Balance Security and User Experience
The age-old trade-off between security and user experience is no longer a given - in fact, it's possible to boost security without slowing down your customers. By combining identity, device, and network signals, businesses can effectively block fraud while providing a seamless experience for legitimate users.
GreyNoise Tracks Emerging Edge-Device Vulnerabilities in Network 'Background Noise
Imagine if the hum of internet chatter could predict the next big security threat - GreyNoise researchers have cracked the code, uncovering a pattern in network background noise that signals impending edge-device vulnerabilities. This breakthrough offers defenders a crucial early-warning system to stay ahead of emerging threats.
AI Shifts to Real-Time Cyber Defense Against Machine-Speed Threats
The threat landscape has drastically changed: with AI, the window to exploit software flaws has shrunk from hours or days to mere minutes, forcing security leaders to revolutionize their cyber defense strategies. Traditional security processes simply can't keep up with machine-speed threats, making AI-powered real-time defense a critical game-changer.
Cisco Fixes Flaws Enabling Code Execution in Identity Services, Webex
Cisco has patched four critical vulnerabilities in its Identity Services and Webex Services, which could have allowed attackers to run arbitrary code and impersonate any user, posing a massive security risk. The fixes address flaws with CVSS scores as high as 9.8, safeguarding against devastating attacks.
Fortinet Sandbox Flaws Allow Attackers to Bypass Authentication, Execute Commands
Two critical flaws in Fortinet's sandbox could let attackers skip login and run malicious commands, putting your system at risk - so don't wait, patch now! A recent report urges administrators to act fast, as these vulnerabilities could be exploited by unauthenticated attackers over HTTP.
Transportation Sector Grapples with Rising Cyber Risks from Connected Vehicles
As modern trucks transform into data centers on wheels, loaded with sensors and connectivity, they also become vulnerable to cyber threats - turning transportation into a pressing cybersecurity issue. With their expanding attack surfaces, the transportation sector is racing against time to tackle the fast-evolving risks of connected vehicles.
Fortinet Rushes Patch for Exploited EMS Flaw
When the very tool designed to safeguard your network becomes a vulnerability, swift action is crucial - and that's exactly what Fortinet took by issuing an emergency security update over a weekend to patch a critical flaw in FortiClient Enterprise Management Server (EMS) that's being actively exploited by attackers. This out-of-the-usual-cycle patch underscores the urgency to protect your organization from prolonged exposure to potential threats.