Tag: firewall
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Cloudflare Zero-Day Let Attackers Bypass WAF via ACME Certificate Validation Path
A critical zero-day vulnerability in Cloudflare exposed a fundamental weakness in how security exceptions are handled at scale. The flaw allowed attackers to bypass Cloudflare’s Web Application Firewall (WAF) entirely and directly access protected origin servers by abusing a certificate validation endpoint. The issue was not caused by customer misconfiguration, but by a logic error…
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Attackers Rerouted Employee Pay Without Breaching IT Systems
An unnamed organization recently discovered that several employees’ paychecks had silently vanished not because of a ransomware attack, data-wiping malware, or a cloud breach, but because an attacker convinced people to do exactly what they wanted. Instead of hacking through firewalls or exploiting zero-days, the threat actor went after the weakest link: operational processes and…
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The culture you can’t see is running your security operations
Tags: apache, breach, business, compliance, control, credentials, cyber, data, email, exploit, finance, firewall, flaw, identity, intelligence, jobs, network, north-korea, phishing, risk, technology, threat, tool, training, update, vulnerabilityNon-observable culture: The hidden drivers: Now we get interesting.Non-observable culture is everything happening inside people’s heads. Their beliefs about cyber risk. Their attitudes toward security. Their values and priorities when security conflicts with convenience or speed.This is where the real decisions get made.You can’t see someone’s belief that “we’re too small to be targeted” or…
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Netzwerk- und Sicherheitsarchitektur im Umbruch – Firewall-Refresh zwischen Lebenszyklus und Architekturwandel
Tags: firewallFirst seen on security-insider.de Jump to article: www.security-insider.de/firewall-refresh-zeitpunkt-architektur-a-3d3c538b4798915955f2a5fb050c8baa/
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Palo Alto Networks patches firewalls after discovery of a new denialservice flaw
Availability disruption: According to Flashpoint, a DoS state wouldn’t expose enterprises to a wider security threat. “Modern enterprise firewalls are designed to ‘fail closed’ rather than ‘fail open’. Entering maintenance mode due to a DoS condition is therefore more accurately characterized as a potential availability disruption than a direct security exposure,” said the spokesperson. “The…
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2025 Threat Landscape in Review: Lessons for Businesses Moving Into 2026
Tags: access, ai, application-security, attack, authentication, awareness, backdoor, breach, business, captcha, cloud, compliance, container, control, credentials, credit-card, cybersecurity, data, data-breach, ddos, defense, encryption, exploit, finance, firewall, flaw, google, identity, infrastructure, intelligence, leak, malicious, mitigation, monitoring, network, pypi, risk, service, software, strategy, supply-chain, threat, tool, vulnerability, windows2025 Threat Landscape in Review: Lessons for Businesses Moving Into 2026 andrew.gertz@t“¦ Thu, 01/15/2026 – 16:48 Nadav Avital – Senior Director of Threat Research at Thales More About This Author > 2025 was a year that tested how businesses think about security. Some attacks happened in new, unexpected ways, while others employed old tricks, taken…
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Palo Alto Networks warns of DoS bug letting hackers disable firewalls
Palo Alto Networks patched a high-severity vulnerability that could allow unauthenticated attackers to disable firewall protections in denial-of-service (DoS) attacks. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/palo-alto-networks-warns-of-dos-bug-letting-hackers-disable-firewalls/
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Palo Alto Fixes GlobalProtect DoS Flaw That Can Crash Firewalls Without Login
Palo Alto Networks has released security updates for a high-severity security flaw impacting GlobalProtect Gateway and Portal, for which it said there exists a proof-of-concept (PoC) exploit.The vulnerability, tracked as CVE-2026-0227 (CVSS score: 7.7), has been described as a denial-of-service (DoS) condition impacting GlobalProtect PAN-OS software arising as a result of an improper check for…
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enclaive unterstützt mit GenAI-Firewall Garnet eine sichere KI-Nutzung
Mit der GenAI-Firewall Garnet adressiert enclaive diese Herausforderungen ganzheitlich. Die Lösung ermöglicht Unternehmen, LLMs und SLMs sicher zu nutzen, ohne die Kontrolle über ihre Daten aus der Hand zu geben. First seen on infopoint-security.de Jump to article: www.infopoint-security.de/enclaive-unterstuetzt-mit-genai-firewall-garnet-eine-sichere-ki-nutzung/a43350/
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Vereinbarkeit von KI und Compliance – GenAI-Firewalls schützen sensible Daten bei KI-Interaktionen
First seen on security-insider.de Jump to article: www.security-insider.de/genai-firewall-ki-compliance-confidential-computing-a-b69ec99550be5a3d51876bdebc89b2fd/
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No fire sale for firewalls as memory shortages could push prices higher
In SEC filings, Fortinet and Palo Alto show shrinking product margins taking hold. First seen on theregister.com Jump to article: www.theregister.com/2026/01/12/no_fire_sale_on_firewalls/
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pfSense: Open-source firewall and routing platform
Firewalls, VPN access, and traffic rules need steady attention, often with limited budgets and staff. In that context, the open source pfSense Community Edition (CE) continues … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/01/12/pfsense-open-source-firewall-routing-platform/
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OWASP CRS Vulnerability Enables Charset Validation Bypass
A newly disclosed vulnerability in theOWASP Core RuleSet (CRS)allows attackers to bypass charset validation in web application firewalls (WAFs), enabling dangerous payloads to reach backend applications. Tracked asCVE-2026-21876, the flaw affects CRS rule922110and can expose applications tocross-site scripting (XSS)and other encoding-based attacks. Administrators are strongly advised to upgradeimmediatelyand review historical logs for suspicious multipart requests…
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Breach Roundup: Firewalls Headed for Obsolescence
Also, Sedgwick Confirms Breach, Romanian Power Firm Hit, D-Link Flaws Exploited. This week, Moody’s said firewalls will be obsolete, Romanian critical infrastructure hacked, Sedgwick breach and a D-Link DSL flaw. Finland seized the Fitburg. Microsoft said Direct Send not to blame for Exchange phishing. Malicious Chrome extensions, European hotels targeted and health breaches. First seen…
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Cisco identifies vulnerability in ISE network access control devices
rotate ISE credentials for those with existing and approved access;ensure only those who need access have credentials;reduce the number of devices that can access the ISE server;patch as soon as it’s possible to take the server offline.In its notice to customers, Cisco says a vulnerability [CVE-2026-20029] in the licensing features of ISE and Cisco ISE…
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Breach Roundup: Firewalls Headed for Obsolesce
Also, Sedgwick Confirms Breach, Romanian Power Firm Hit, D-Link Flaws Exploited. This week, Moody’s said firewalls will be obsolete, Romanian critical infrastructure hacked, Sedgwick breach and a D-Link DSL flaw. Finland seized the Fitburg. Microsoft said Direct Send not to blame for Exchange phishing. Malicious Chrome extensions, European hotels targeted and health breaches. First seen…
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Cisco Snort 3 Vulnerability Leading to Sensitive Data Disclosure
Cisco has disclosed two critical vulnerabilities in the Snort 3 detection engine affecting multiple enterprise security products, including firewalls, threat defense systems, and edge platforms. The vulnerabilities, tracked as CVE-2026-20026 and CVE-2026-20027 under advisory cisco-sa-snort3-dcerpc-vulns-J9HNF4tH, could allow unauthenticated remote attackers to leak sensitive information or cause denial-of-service conditions by disrupting packet inspection capabilities. The vulnerabilities…
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Zeit für eine neue Perspektive – Nicht die Firewalls versagen, sondern die Verwaltung und Prozesse dahinter
Tags: firewallFirst seen on security-insider.de Jump to article: www.security-insider.de/nicht-die-firewalls-versagen-sondern-die-verwaltung-und-prozesse-dahinter-a-264b7da06ad85bfda7958ad113427136/
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IPFire update brings new network and security features to firewall deployments
Security and operations teams often work with firewall platforms that require frequent tuning or upgrades to meet evolving network demands. IPFire has released its 2.29 Core … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/01/08/ipfire-2-29-core-update-199-security-features/
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Neue Ransomware-Bedrohung zielt auf deutsche Unternehmen
Tags: backup, ciso, cloud, cyberattack, encryption, extortion, firewall, germany, infrastructure, intelligence, network, ransomware, threat, tool, vmware, vulnerabilityDer Ransomware-Dienst Ransomhouse nutzt jetzt eine komplexe Dual-Schlüssel-Verschlüsselung und automatisierte Angriffe auf VMware ESXi.Sicherheitsexperten haben kürzlich festgestellt, dass die Ransomware-Gruppe Jolly Scorpius ihren RaaS-(Ransomware as a Service)-Dienst Ransomhouse massiv verbessert hat. Wie das Threat-Intelligence-Team von Palo Alto Networks berichtet, nutzt die Gruppe jetzt ein fortschrittliches duales Verschlüsselungssystem.Die Angriffe basieren auf einer aktualisierten Version des Verschlüsselungs-Trojaner…
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Turning plain language into firewall rules
Firewall rules often begin as a sentence in someone’s head. A team needs access to an application. A service needs to be blocked after hours. Translating those ideas into … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/01/06/research-natural-language-firewall-configuration/
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Cybersecurity Awareness: Why Centralized Monitoring Is No Longer Optional
In today’s digital world, cybersecurity is no longer just an IT problem, it is a business survival requirement. Organizations are deploying multiple tools such as firewalls, EDR, databases, operating systems, cloud platforms, WAFs, proxies, and more. However, simply deploying tools does not guarantee security. What truly matters is how effectively you monitor, correlate, and respond…
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Why Arbor Edge Defense and CDN-Based DDoS protection are better together
Tags: ai, attack, botnet, cloud, control, data, ddos, defense, firewall, infrastructure, intelligence, Internet, mitigation, network, router, threat, vulnerabilityLow-volume, stealthy application-layer attacksTransmission Control Protocol (TCP) state exhaustion attacksOutbound threats from compromised internal hostsAttacks that bypass CDN routing (for example, direct-to-IP attacks)These gaps leave critical infrastructure vulnerable, especially when attackers use dynamic, multivector techniques designed to evade upstream defenses. Arbor Edge Defense: The first and last line of defense: NETSCOUT’s AED is uniquely positioned…
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5 myths about DDoS attacks and protection
Myth 2: DDoS attacks only involve flooding networks with large amounts of traffic.: In the early days of DDoS, the vast majority of attacks were large traffic floods. However, DDoS attacks have evolved over time, becoming more surgically targeted and complex. The media continues to report on the largest, most shocking attacks that are terabits…
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Ten thousand firewalls are vulnerable to old vulnerability
This news brief originally appeared on ComputerSweden.More Fortinet security news:FortiGate firewall credentials being stolen after vulnerabilities discoveredFortinet criticized for ‘silent’ patching after disclosing second zero-day vulnerability in same equipmentFortinet admins urged to update software to close FortiCloud SSO holes First seen on csoonline.com Jump to article: www.csoonline.com/article/4112857/ten-thousand-firewalls-are-vulnerable-to-old-vulnerability.html
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Thousands of firewalls at risk as legacy flaw in Fortinet faces renewed threat
The company in December warned of recent attacks targeting a 2020 vulnerability. First seen on cybersecuritydive.com Jump to article: www.cybersecuritydive.com/news/thousands-of-firewalls-at-risk-as-legacy-flaw-in-fortinet-under-renewed-thr/808739/
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Attackers Leverage FortiWeb Vulnerabilities to Deploy Sliver C2 for Long-Term Access
Threat researchers have uncovered a sophisticated attack campaign targeting FortiWeb web application firewalls across multiple continents, with adversaries deploying the Sliver command-and-control framework to establish persistent access and establish covert proxy infrastructure. The discovery came from analyzing exposed Silver C2 databases and logs found during routine open-directory threat hunting on Censys, revealing a well-orchestrated operation…
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Fünf Jahre alte Sicherheitslücke: Laufende Attacken gefährden 10.000 Firewalls
Eine seit Juli 2020 gepatchte Sicherheitslücke in FortiOS ist auf Tausenden von Firewalls noch immer ausnutzbar. Fortinet warnt vor laufenden Angriffen. First seen on golem.de Jump to article: www.golem.de/news/fuenf-jahre-alte-luecke-laufende-attacken-gefaehrden-10-000-fortinet-firewalls-2601-203785.html