Cybersecurity articles tagged #Network Security on RuntimeRebel.https://runtimerebel.comhttps://runtimerebel.com/blog/tsn-protocols-vulnerabilities-threaten-ot-securityhttps://runtimerebel.com/blog/tsn-protocols-vulnerabilities-threaten-ot-securityNew research reveals how unprotected Time-Sensitive Networking protocols in industrial systems could allow attackers to disrupt physical processes.Sun, 23 Aug 2026 16:17:17 GMTOT SecurityIndustrial Control SystemsNetwork SecurityVulnerabilitieshttps://runtimerebel.com/blog/cisco-patches-nine-crosswork-and-secure-workload-flawshttps://runtimerebel.com/blog/cisco-patches-nine-crosswork-and-secure-workload-flawsCisco patches nine vulnerabilities in Crosswork and Secure Workload platforms, with five flaws scoring the maximum CVSS 10.0 severity rating.Sun, 23 Aug 2026 00:43:17 GMTCiscoVulnerabilitiesZero-DayNetwork SecurityPatch Managementhttps://runtimerebel.com/blog/threema-secure-messaging-service-disrupted-by-large-scale-ddos-attackshttps://runtimerebel.com/blog/threema-secure-messaging-service-disrupted-by-large-scale-ddos-attacksThreema, a secure messaging service, experienced severe disruptions from large-scale DDoS attacks that continuously changed patterns, challenging mitigation efforts.Mon, 17 Aug 2026 08:33:18 GMTThreemaDDoSDenial of ServiceCyberattackNetwork Securityhttps://runtimerebel.com/blog/widespread-exposure-of-remote-access-services-risks-network-compromisehttps://runtimerebel.com/blog/widespread-exposure-of-remote-access-services-risks-network-compromiseSecurity analysts observe a surge in publicly exposed VPN, RDP, and SSH services, serving as critical entry points for attackers. Learn how to secure your perimeter.Fri, 31 Jul 2026 02:57:25 GMTExposed ServicesVPNRemote AccessNetwork SecurityFirewallMisconfigurationRDPSSHWireGuardOpenVPNhttps://runtimerebel.com/blog/ssdp-reflection-attacks-how-to-secure-port-1900-against-ddoshttps://runtimerebel.com/blog/ssdp-reflection-attacks-how-to-secure-port-1900-against-ddosAnalyze the risks of SSDP reflection attacks and how misconfigured Simple Service Discovery Protocol services on port 1900 facilitate high-volume DDoS campaigns.Thu, 23 Jul 2026 10:28:23 GMTSSDPDDoSUPnPReflection AttackNetwork Securityhttps://runtimerebel.com/blog/identifying-origin-ip-addresses-behind-cloudflare-and-waf-serviceshttps://runtimerebel.com/blog/identifying-origin-ip-addresses-behind-cloudflare-and-waf-servicesExamine technical methods used to discover backend origin IPs hidden behind Cloudflare, including DNS history, TLS fingerprinting, and outbound leaks.Mon, 20 Jul 2026 03:26:59 GMTCloudflareReconnaissanceOrigin IpWaf BypassNetwork Securityhttps://runtimerebel.com/blog/fifa-network-vulnerability-minimal-access-leads-to-broad-compromisehttps://runtimerebel.com/blog/fifa-network-vulnerability-minimal-access-leads-to-broad-compromiseAn unidentified vulnerability exposed FIFA's network to compromise with minimal access, highlighting risks of overlooked attack surfaces and privilege escalation.Tue, 14 Jul 2026 17:26:07 GMTFIFANetwork SecurityMinimal AccessVulnerabilityPrivilege Escalationhttps://runtimerebel.com/blog/cisco-sd-wan-cve-2023-20252-exploited-via-rogue-peering-patch-nowhttps://runtimerebel.com/blog/cisco-sd-wan-cve-2023-20252-exploited-via-rogue-peering-patch-nowAttackers exploited Cisco SD-WAN Manager flaws like CVE-2023-20252 for two months before disclosure. Learn how to secure your vManage infrastructure today.Thu, 25 Jun 2026 05:27:10 GMTCisco SD WANCVE-2023-20252Zero-DayNetwork Securityhttps://runtimerebel.com/blog/fortibleed-73932-fortigate-systems-exposed-credential-leak-analysishttps://runtimerebel.com/blog/fortibleed-73932-fortigate-systems-exposed-credential-leak-analysisAnalysis of the FortiBleed campaign, detailing the exposure of administrative and VPN credentials for over 73,000 Fortinet FortiGate firewalls and critical mitigation…Sat, 20 Jun 2026 05:36:54 GMTFortiBleedFortiGateFortinetCredential ExposureFirewall SecurityNetwork Securityhttps://runtimerebel.com/blog/coordinated-ssh-brute-force-attacks-three-month-analysis-defenseshttps://runtimerebel.com/blog/coordinated-ssh-brute-force-attacks-three-month-analysis-defensesAnalysis of coordinated SSH brute-force attacks over three months, detailing observed patterns and providing actionable strategies to protect SSH servers.Thu, 18 Jun 2026 09:59:47 GMTSSHBrute ForceCredential StuffingThreat IntelligenceNetwork SecurityFail2banhttps://runtimerebel.com/blog/eu-s-shield-6g-initiative-proactive-defense-for-future-networkshttps://runtimerebel.com/blog/eu-s-shield-6g-initiative-proactive-defense-for-future-networksThe EU's Shield-6G project is proactively integrating AI, digital twins, and honeypots to fortify future 6G networks against emerging cyber threats.Thu, 18 Jun 2026 09:51:20 GMT6GNetwork SecurityAIDigital TwinsHoneypotsEUTelecommunicationshttps://runtimerebel.com/blog/ai-and-the-persistent-limitations-of-modern-cryptographyhttps://runtimerebel.com/blog/ai-and-the-persistent-limitations-of-modern-cryptographyExpert analysis on Bruce Schneier’s thesis regarding why cryptography fails to protect modern networks from AI-driven threats and architectural weaknesses.Tue, 02 Jun 2026 13:28:53 GMTCryptographyArtificial IntelligenceNetwork SecurityBruce Schneierhttps://runtimerebel.com/blog/ai-powered-ddos-attacks-emerging-tactics-and-defensive-strategieshttps://runtimerebel.com/blog/ai-powered-ddos-attacks-emerging-tactics-and-defensive-strategiesThreat actors are leveraging artificial intelligence to automate DDoS attacks, increasing speed and evasion capabilities against traditional network defenses.Tue, 26 May 2026 13:09:46 GMTDDoSArtificial IntelligenceBotnetsAutomationNetwork Securityhttps://runtimerebel.com/blog/analyzing-suspicious-tls-traffic-patterns-with-ja3-fingerprintinghttps://runtimerebel.com/blog/analyzing-suspicious-tls-traffic-patterns-with-ja3-fingerprintingImprove threat detection by identifying TLS handshake anomalies, JA3 fingerprints, and SNI mismatches to expose hidden malicious network activity.Tue, 26 May 2026 05:26:26 GMTTLS FingerprintingJA3Network SecurityTraffic AnalysisMalware DetectionSNI Inspectionhttps://runtimerebel.com/blog/wireshark-4-6-6-fixing-critical-vulnerability-and-dissector-bugshttps://runtimerebel.com/blog/wireshark-4-6-6-fixing-critical-vulnerability-and-dissector-bugsWireshark 4.6.6 release addresses one security vulnerability and 11 functional bugs. Learn how this update secures packet analysis and prevents dissector crashes.Sun, 24 May 2026 20:25:16 GMTWiresharkNetwork SecurityPacket AnalysisVulnerability Managementhttps://runtimerebel.com/blog/dismantling-first-vpn-global-takedown-of-ransomware-infrastructurehttps://runtimerebel.com/blog/dismantling-first-vpn-global-takedown-of-ransomware-infrastructureAuthorities dismantle First VPN Service, a critical infrastructure hub used by 25 ransomware groups for masking data theft and DDoS attacks.Fri, 22 May 2026 20:37:05 GMTFirst VPN ServiceRansomware InfrastructureLaw Enforcement TakedownCybercrimeNetwork Securityhttps://runtimerebel.com/blog/cve-2026-20182-cisco-sd-wan-auth-bypass-actively-exploitedhttps://runtimerebel.com/blog/cve-2026-20182-cisco-sd-wan-auth-bypass-actively-exploitedCisco Catalyst SD-WAN Controller and Manager face critical authentication bypass CVE-2026-20182, actively exploited for admin access. Patch now.Thu, 14 May 2026 20:36:04 GMTCVE-2026-20182Cisco Catalyst SD WAN ControllerCisco Catalyst SD WAN ManagerAuthentication BypassSD WANNetwork Securityhttps://runtimerebel.com/blog/routing-non-proxy-aware-application-traffic-for-security-analysishttps://runtimerebel.com/blog/routing-non-proxy-aware-application-traffic-for-security-analysisTechnical analysis of routing non-proxy-aware EXE traffic through security gateways to improve SOC visibility and mitigate egress evasion risks.Wed, 13 May 2026 05:23:43 GMTNetwork SecurityEgress FilteringProxifierTraffic AnalysisC2 Detectionhttps://runtimerebel.com/blog/firestarter-malware-persists-on-cisco-firewalls-post-updatehttps://runtimerebel.com/blog/firestarter-malware-persists-on-cisco-firewalls-post-updateU.S. and U.K. agencies warn about Firestarter malware exhibiting post-update persistence on Cisco Firepower and Secure Firewalls running ASA/FTD.Sat, 25 Apr 2026 04:53:41 GMTFIRESTARTERCisco FirepowerCisco Secure FirewallASAFTDMalware PersistenceNetwork Securityhttps://runtimerebel.com/blog/ipv6-security-mitigating-rogue-router-advertisements-and-ndp-riskshttps://runtimerebel.com/blog/ipv6-security-mitigating-rogue-router-advertisements-and-ndp-risksAnalysis of IPv6 Neighbor Discovery Protocol vulnerabilities and why security teams must prioritize RA Guard and monitoring to prevent traffic interception.Tue, 14 Apr 2026 08:41:10 GMTIPv6NdpNetwork SecuritySANS ISCRouter Advertisementhttps://runtimerebel.com/blog/juniper-junos-os-critical-rce-vulnerability-dozens-of-patcheshttps://runtimerebel.com/blog/juniper-junos-os-critical-rce-vulnerability-dozens-of-patchesJuniper Networks released patches for dozens of Junos OS vulnerabilities, including a critical RCE that allows unauthenticated remote device takeover. Update immediately.Fri, 10 Apr 2026 16:27:12 GMTJuniper NetworksJunos OSRCEVulnerability ManagementNetwork Securityhttps://runtimerebel.com/blog/palo-alto-networks-sonicwall-high-severity-privilege-escalation-patcheshttps://runtimerebel.com/blog/palo-alto-networks-sonicwall-high-severity-privilege-escalation-patchesPalo Alto Networks and SonicWall have issued patches for high-severity vulnerabilities allowing privilege escalation to administrator. Immediate patching is advised.Thu, 09 Apr 2026 12:47:56 GMTPalo Alto NetworksSonicWallPrivilege EscalationVulnerabilityNetwork Securityhttps://runtimerebel.com/blog/cisco-imc-and-ssm-rce-via-cve-2026-20093-mitigation-guidehttps://runtimerebel.com/blog/cisco-imc-and-ssm-rce-via-cve-2026-20093-mitigation-guideCisco patches a critical 9.8 CVSS vulnerability in Integrated Management Controller (IMC) allowing unauthenticated remote attackers to gain full system access.Thu, 02 Apr 2026 20:15:12 GMTCiscoCVE-2026-20093Authentication BypassRCENetwork Securityhttps://runtimerebel.com/blog/cisco-sd-wan-vmanage-rce-fake-pocs-cve-2023-20252-exploitationhttps://runtimerebel.com/blog/cisco-sd-wan-vmanage-rce-fake-pocs-cve-2023-20252-exploitationThreat intelligence reveals fake PoCs for Cisco SD-WAN vManage CVE-2023-20252. Understand actual RCE risks and critical patching for affected systems.Fri, 13 Mar 2026 20:15:16 GMTCisco SD WANvManageCVE-2023-20252RCECommand InjectionPoC FraudNetwork Securityhttps://runtimerebel.com/blog/encrypted-client-hello-ech-implications-for-network-visibilityhttps://runtimerebel.com/blog/encrypted-client-hello-ech-implications-for-network-visibilityNew RFCs for Encrypted Client Hello (ECH) signal a shift in TLS. This analysis explores ECH's privacy benefits and challenges for network security monitoring.Mon, 09 Mar 2026 16:35:49 GMTEncrypted Client HelloECHTLS 1 3Network VisibilityPrivacyRFCNetwork Securityhttps://runtimerebel.com/blog/airsnitch-cross-layer-desynchronization-enables-wi-fi-mitm-attackshttps://runtimerebel.com/blog/airsnitch-cross-layer-desynchronization-enables-wi-fi-mitm-attacksResearch reveals AirSnitch, a vulnerability exploiting Wi-Fi Layers 1 and 2 to execute bidirectional MitM attacks across home and enterprise networks.Mon, 09 Mar 2026 12:20:24 GMTAirsnitchWi Fi SecurityMitm Attack802 11 VulnerabilityNetwork Securityhttps://runtimerebel.com/blog/cve-2026-20122-cisco-catalyst-sd-wan-manager-exploited-in-the-wildhttps://runtimerebel.com/blog/cve-2026-20122-cisco-catalyst-sd-wan-manager-exploited-in-the-wildCisco confirms active exploitation of CVE-2026-20122 in Catalyst SD-WAN Manager, allowing authenticated attackers to perform arbitrary file overwrites.Thu, 05 Mar 2026 20:15:56 GMTCiscoCatalyst SD WANCVE-2026-20122Network SecurityExploitationhttps://runtimerebel.com/blog/targeted-vs-opportunistic-differentiating-cyber-intrusionshttps://runtimerebel.com/blog/targeted-vs-opportunistic-differentiating-cyber-intrusionsLearn to distinguish targeted cyber intrusions from automated opportunistic scanning.Thu, 05 Mar 2026 04:41:01 GMTThreat IntelligenceNetwork SecurityIncident ResponseScanningTargeted AttackOpportunistic AttackThreat Classificationhttps://runtimerebel.com/blog/cybersecurity-hive-mind-collective-defense-against-emerging-threatshttps://runtimerebel.com/blog/cybersecurity-hive-mind-collective-defense-against-emerging-threatsExplore how 'hive mind' principles can enhance enterprise cybersecurity defenses through collective intelligence, shared threat awareness, and unified response…Wed, 04 Mar 2026 20:16:15 GMTCollective DefenseThreat IntelligenceNetwork SecurityIncident ResponseEnterprise SecurityCybersecurity Operationshttps://runtimerebel.com/blog/ai-driven-development-and-the-crisis-of-firewall-rule-backlogshttps://runtimerebel.com/blog/ai-driven-development-and-the-crisis-of-firewall-rule-backlogsExamine how AI-accelerated coding creates network security bottlenecks and why manual firewall management fails in modern DevSecOps environments.Tue, 03 Mar 2026 04:38:38 GMTAi Driven DevelopmentFirewall ManagementNetwork SecurityDevSecOpsAutomationhttps://runtimerebel.com/blog/wireshark-4-6-4-patch-fixes-dissector-vulnerabilities-update-guidehttps://runtimerebel.com/blog/wireshark-4-6-4-patch-fixes-dissector-vulnerabilities-update-guideWireshark 4.6.4 addresses multiple dissector vulnerabilities, including CVE-2025-1811 and CVE-2025-1812, which could lead to application crashes.Mon, 02 Mar 2026 12:20:02 GMTCVE-2025-1811CVE-2025-1812CVE-2025-1813WiresharkNetwork Securityhttps://runtimerebel.com/blog/cve-2025-24036-critical-rce-in-ivanti-connect-secure-patch-nowhttps://runtimerebel.com/blog/cve-2025-24036-critical-rce-in-ivanti-connect-secure-patch-nowExploit analysis of CVE-2025-24036 in Ivanti Connect Secure and Policy Secure. Learn to detect unauthenticated RCE attempts and apply mitigation strategies.Mon, 02 Mar 2026 03:15:14 GMTCVE-2025-24036IvantiRCENetwork SecurityVolt Typhoonhttps://runtimerebel.com/blog/zyxel-fixes-critical-rce-vulnerability-in-upnp-implementationhttps://runtimerebel.com/blog/zyxel-fixes-critical-rce-vulnerability-in-upnp-implementationZyxel releases patches for CVE-2024-42057, a command injection flaw in the UPnP function of several VMG and fiber router models, allowing unauthenticated RCE.Thu, 26 Feb 2026 12:21:38 GMTZyxelCVE-2024-42057UPnPRCEVMG SeriesNetwork Securityhttps://runtimerebel.com/blog/cisco-sd-wan-exploitation-critical-authentication-bypass-escalationhttps://runtimerebel.com/blog/cisco-sd-wan-exploitation-critical-authentication-bypass-escalationCISA alerts on active global exploitation of Cisco SD-WAN, leveraging CVE-2026-20127 for initial access and CVE-2022-20775 for privilege escalation.Wed, 25 Feb 2026 20:17:23 GMTCisco SD WANCVE-2026-20127CVE-2022-20775Authentication BypassPrivilege EscalationKnown Exploited VulnerabilitiesKEVNetwork SecurityCISA Emergency Directivehttps://runtimerebel.com/blog/critical-cisco-sd-wan-zero-day-exploited-since-2023https://runtimerebel.com/blog/critical-cisco-sd-wan-zero-day-exploited-since-2023Cisco Catalyst SD-WAN critical authentication bypass (CVE-2026-20127) actively exploited since 2023, enabling remote compromise and rogue peer addition.Wed, 25 Feb 2026 20:15:55 GMTCisco Catalyst SD WANCVE-2026-20127Authentication BypassZero-DayNetwork Securityhttps://runtimerebel.com/blog/automated-ai-driven-exploitation-of-fortigate-management-interfaces-in-aws-environmentshttps://runtimerebel.com/blog/automated-ai-driven-exploitation-of-fortigate-management-interfaces-in-aws-environmentsThreat actors are utilizing artificial intelligence to automate credential stuffing and exploit exposed administrative ports on Fortinet devices within AWS…Mon, 23 Feb 2026 12:21:29 GMTFortiGateAWSCredential StuffingAINetwork Securityhttps://runtimerebel.com/blog/ai-automated-campaign-targets-global-fortigate-edge-infrastructurehttps://runtimerebel.com/blog/ai-automated-campaign-targets-global-fortigate-edge-infrastructureA Russian-speaking threat actor leveraged generative AI to automate the compromise of over 600 FortiGate devices across 55 countries between January and February 2026.Mon, 23 Feb 2026 04:05:57 GMTFortiGateGenAICredential StuffingThreat IntelligenceNetwork Security