Tag: network security
208 articles
Kali Linux Release Bolsters Cybersecurity Arsenal with 9 New Tools
Kali Linux just got a major boost with its latest release, packing 9 new tools to supercharge your cybersecurity arsenal. This update slashes boot time by nearly 3x and trims down the initrd to just 60 MB for VM users.
Google Warns of Cisco Vulnerability Exploited as Zero-Day Months Before Disclosure
Google sounded the alarm on a Cisco vulnerability that was exploited as a zero-day months before its disclosure, putting users of Cisco Catalyst SD-WAN products on high alert. This critical flaw, tracked as CVE-2026-20245, allows authenticated local attackers to wreak havoc due to insufficient validation of user input in the command-line interface.
Network Detection and Response Gains Urgency in AI-Driven Threat Era
In today's AI-driven threat landscape, organizations need to move beyond prevention and adopt a more proactive approach, focusing on network detection and response to swiftly identify and disrupt malicious activity. By doing so, they can effectively mitigate vulnerabilities and contain threats before they escalate into full-blown breaches.
UK School's Lax Network Security Exposes Sensitive Data
A 17-year-old student gained unrestricted access to a UK school's network, discovering sensitive leadership documents and being able to reset passwords, delete accounts, and even wipe the entire network. The alarming vulnerability was uncovered when the student connected their laptop to the school's Active Directory domain, which surprisingly required no administrator authentication.
Cisco SD-WAN Zero-Day Exploited for Root Access
A shocking new discovery reveals that a Cisco SD-WAN zero-day vulnerability, CVE-2026-20245, was exploited for root access at least two months before its public disclosure. This highly critical flaw, with a CVSS score of 7.8, allows attackers to execute arbitrary commands with elevated privileges.
Mandiant Exposes Cisco SD-WAN Zero-Day Attacks' Root Access Methods
Cisco's SD-WAN system was exploited in active attacks using a high-severity flaw, allowing hackers to create a rogue root account and take full control of targeted devices. This vulnerability, tracked as CVE-2026-20245, was triggered through a simple tenant-upload feature in the command-line interface.
Cisco Unified CM Flaw Exploited in Active Attacks
Hackers are actively exploiting a high-severity flaw in Cisco Unified CM, tracked as CVE-2026-20230, which allows them to send malicious HTTP requests and potentially take control of affected devices. This vulnerability, with a CVSS score of 8.6, could enable attackers to write files to the underlying operating system and escalate their privileges.
CISA Warns of Widespread FortiBleed Attacks on 86,644 Devices
The US Cybersecurity and Infrastructure Security Agency (CISA) has issued a warning after a massive cyberattack, dubbed FortiBleed, compromised a staggering 86,644 FortiGate devices, putting countless networks at risk. Take immediate action to protect yourself: shut down active SSL VPN and admin sessions, reset passwords, and enforce strong password policies.
Cisco Disrupts Active Exploitation of SD-WAN Manager Flaw
Cisco is taking swift action to combat the active exploitation of a medium-severity flaw in its SD-WAN Manager, known as CVE-2026-20262, which could let hackers create or overwrite files on affected systems. Federal agencies have until June 29, 2026 to remediate the vulnerability.
Cisco SD-WAN Vulnerability Exploited for Root Access
Cisco has warned of a critical vulnerability in its SD-WAN system that allows attackers to gain root access by sending a malicious HTTP request. This flaw, now patched, could have let hackers create or overwrite files and ultimately elevate their privileges.
Cisco Patches SD-WAN Flaw Exploited in Zero-Day Attacks
Cisco has patched a high-risk SD-WAN flaw, known as CVE-2026-20262, that was being exploited in zero-day attacks to gain root privileges. The vulnerability allowed attackers to create or overwrite files on affected systems, and Cisco has now released security updates to fix the issue.
Cisco SD-WANs Hit by Seventh Zero-Day Exploit This Year
Cisco SD-WANs have been hit by a seventh zero-day exploit this year, with the latest vulnerability, CVE-2026-20245, already being actively exploited by attackers. A security patch is currently in the works, but no workaround is available to mitigate the issue in the meantime.
AI Worm Uses Open-Weight Models to Spread, Evade Defenses
Imagine a self-navigating AI worm that can identify vulnerabilities and gain access to over 70% of a network's hosts - in a test, it found 31.3 vulnerabilities and elevated access on 23.1 hosts in just 15 isolated runs. Researchers at the University of Toronto and elsewhere have now created a proof-of-concept AI-driven worm to demonstrate this unsettling possibility.
Security Teams Grapple with Hidden Risk in Network Tool Gaps
Despite having unparalleled visibility, many organizations are struggling with a hidden risk - the manual, time-consuming, and error-prone work that happens between their network security tools, from alert validation to change implementation. This operational gap is where security teams lose efficiency and invite vulnerabilities.
Cisco SD-WAN Manager Flaw Actively Exploited
Cisco is warning of a high-severity vulnerability in its Catalyst SD-WAN Manager that allows attackers to execute commands as root, and it's already being exploited by hackers. This flaw, rated 7.8 on the CVSS scale, could give attackers control over your system if they're able to upload a malicious file.
Cisco SD-WAN Zero-Day Under Active Attack
Cisco SD-WAN is under siege from a zero-day vulnerability that's being actively exploited - and there's no patch in sight, leaving sys admins scrambling to protect their networks.
Schneier Warns of AI-Driven Cybersecurity Shift
Bruce Schneier warns that the rise of artificial intelligence is set to revolutionize cybersecurity, but also emphasizes that powerful cryptography alone can't solve today's complex security problems. He argues that math can't secure messy, human-driven systems.
World Cup Faces New Cyber Threats in AI-Driven Era
As the World Cup kicks off on June 11, it's not just a sporting spectacle - it's a high-stakes target for cyber threats, with billions of people, devices, and transactions converging online at once. This massive influx creates a perfect storm of vulnerability, exposing ticketing, payments, broadcasts, and infrastructure to unprecedented risk.
Palo Alto Networks Warns of Active Exploitation of High-Severity VPN Bug
Palo Alto Networks has issued a warning about active exploitation of a high-severity VPN bug, urging users to patch their systems ASAP to avoid falling prey to potential security breaches. The vulnerability, CVE-2026-0257, allows attackers to bypass security restrictions and establish unauthorized VPN connections.
Hackers Exploit Palo Alto GlobalProtect VPN Auth Bypass Flaw in Attacks
Hackers are actively exploiting a critical flaw in Palo Alto's GlobalProtect VPN, known as CVE-2026-0257, to gain unauthorized access to corporate networks. This alarming vulnerability allows attackers to bypass security restrictions and establish fake VPN connections.
Cisco Secure Workload Flaw Exposes Site Admin Privileges
A critical vulnerability in Cisco Secure Workload, known as CVE-2026-20223, allows hackers to gain Site Admin privileges without authentication, putting sensitive information and configuration changes at risk. Cisco has warned of this maximum-severity flaw and advised on remediation steps.
Check Point Targets AI Trust Gap with Deepchecks Acquisition
Check Point is bridging the AI trust gap with its acquisition of Deepchecks, gaining cutting-edge model validation capabilities to help organizations ensure the reliability and accuracy of their AI-driven actions. This strategic move enables businesses to effectively test, evaluate, and monitor machine learning systems and mitigate operational risks associated with generative AI.
Microsoft Disables Windows Updates in Restricted Networks
If you've installed the January 2026 optional non-security preview updates on a restricted Windows network, you might face update failures - a frustrating issue that could leave your system vulnerable. Specifically, affected devices may still download February's security update, but then get stuck, unable to receive crucial updates from March onwards.
Wireless Vulnerabilities Skyrocket, Outpacing Traditional Threats
The number of wireless vulnerabilities has skyrocketed, with a staggering 937 new threats discovered in 2025 alone - that's 2.5 new vulnerabilities every day. This represents a 60% increase since the start of 2024, and a growth rate that's 20 times faster than traditional threats over the last 15 years.