Tag: dns
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Cloudflare Says ‘Non C’è Modo’ (No Way) In Defiance of Italy Piracy Shield Law
Italian authorities have fined Internet security company Cloudflare $16.3 as a result of the content delivery network specialist’s refusal to block access to pirate sites on its 1.1.1.1 DNS service. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/01/cloudflare-says-non-ce-modo-no-way-in-defiance-of-italy-piracy-shield-law/
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Why DNS Resiliency Is Critical as Outages Surge
As outages grow more frequent, DNS resiliency is critical to keeping services online when primary systems fail. First seen on esecurityplanet.com Jump to article: www.esecurityplanet.com/threats/why-dns-resiliency-is-critical-as-outages-surge/
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Piracy Shield: Rekordstrafe für Cloudflare wegen unterlassener DNS-Sperren
Tags: dnsCloudflare will Italiens DNS-Sperranordnungen nicht nachkommen, weil diese globale Auswirkungen hätten. Nun soll der Konzern 14,2 Millionen Euro zahlen. First seen on golem.de Jump to article: www.golem.de/news/italien-gegen-cloudflare-rekordstrafe-wegen-unterlassener-dns-sperren-2601-204067.html
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Italien gegen Cloudflare: Rekordstrafe wegen unterlassener DNS-Sperren
Tags: dnsCloudflare will Italiens DNS-Sperranordnungen nicht nachkommen, weil diese globale Auswirkungen hätten. Nun soll der Konzern 14,2 Millionen Euro zahlen. First seen on golem.de Jump to article: www.golem.de/news/italien-gegen-cloudflare-rekordstrafe-wegen-unterlassener-dns-sperren-2601-204067.html
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CISA Retires 10 Emergency Cybersecurity Directives Issued Between 2019 and 2024
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday said it’s retiring 10 emergency directives (Eds) that were issued between 2019 and 2024.The list of the directives now considered closed is as follows -ED 19-01: Mitigate DNS Infrastructure TamperingED 20-02: Mitigate Windows Vulnerabilities from January 2020 Patch TuesdayED 20-03: Mitigate Windows DNS Server First…
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DNS-Fehler: Unzählige Cisco-Switches plötzlich in Bootschleife gefangen
Switches von Cisco starten sich alle paar Minuten neu und beeinträchtigen damit Unternehmensnetze. Verzweifelte Admins suchen online nach Hilfe. First seen on golem.de Jump to article: www.golem.de/news/dns-fehler-unzaehlige-cisco-switches-ploetzlich-in-bootschleife-gefangen-2601-203989.html
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Global DNS Crash Triggers Reboot Loops Across Cisco Small Business Switches
A DNS Crash disrupted networks around the world on January 8, 2026, after a flaw in the DNS client service caused multiple Cisco Small Business Switches to reboot repeatedly and, in some cases, completely core dump. The outage affected organizations of all sizes, from small IT teams managing a handful of switches to administrators responsible…
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Global DNS Crash Triggers Reboot Loops Across Cisco Small Business Switches
A DNS Crash disrupted networks around the world on January 8, 2026, after a flaw in the DNS client service caused multiple Cisco Small Business Switches to reboot repeatedly and, in some cases, completely core dump. The outage affected organizations of all sizes, from small IT teams managing a handful of switches to administrators responsible…
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Cisco switches hit by reboot loops due to DNS client bug
Multiple Cisco switch models are suddenly experiencing reboot loops after logging fatal DNS client errors, according to reports seen by BleepingComputer. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/cisco-switches-hit-by-reboot-loops-due-to-dns-client-bug/
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Phishing-Angreifer setzen vermehrt auf E-Mail-Routing-Lücken
Tags: 2fa, authentication, business, cyberattack, dmarc, dns, email, framework, infrastructure, intelligence, mail, mfa, microsoft, password, phishing, risk, service, spam, threatAngreifer missbrauchen falsch konfigurierte Richtlinien, um Phishing-E-Mails wie interne E-Mails aussehen zu lassen, Filter zu umgehen und Anmeldedaten zu stehlen.Das Threat Intelligence Team von Microsoft hat kürzlich festgestellt, dass Angreifer zunehmend komplexe E-Mail-Weiterleitungen und falsch konfigurierte Domain-Spoofing-Schutzmaßnahmen ausnutzen. Dabei lassen sie ihre Phishing-Nachrichten so aussehen, als würden sie von den angegriffenen Organisationen selbst stammen.In den…
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Reverse DNS mismatch: Fix SMTP banner errors
Fix “reverse DNS does not match SMTP banner” errors by aligning PTR, A records, and server identity to restore trust and reliable email delivery. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/01/reverse-dns-mismatch-fix-smtp-banner-errors/
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Ongoing Attacks Exploiting Critical RCE Vulnerability in Legacy D-Link DSL Routers
A newly discovered critical security flaw in legacy D-Link DSL gateway routers has come under active exploitation in the wild.The vulnerability, tracked as CVE-2026-0625 (CVSS score: 9.3), concerns a case of command injection in the “dnscfg.cgi” endpoint that arises as a result of improper sanitization of user-supplied DNS configuration parameters.”An unauthenticated remote attacker can inject…
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NDSS 2025 HADES Attack: Understanding And Evaluating Manipulation Risks Of Email Blocklists
Tags: attack, conference, dns, email, exploit, infrastructure, Internet, malicious, mitigation, network, risk, service, spam, technologySession 8A: Email Security Authors, Creators & Presenters: Ruixuan Li (Tsinghua University), Chaoyi Lu (Tsinghua University), Baojun Liu (Tsinghua University;Zhongguancun Laboratory), Yunyi Zhang (Tsinghua University), Geng Hong (Fudan University), Haixin Duan (Tsinghua University;Zhongguancun Laboratory), Yanzhong Lin (Coremail Technology Co. Ltd), Qingfeng Pan (Coremail Technology Co. Ltd), Min Yang (Fudan University), Jun Shao (Zhejiang Gongshang University)…
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Why Fast Flux Is Harder to Detect in CDN and Cloud-Based Setups?
DNS Fast Flux rapidly changes the IP addresses (and even the DNS servers) for a malicious domain, as shown above. Attackers often use compromised machines as proxies, cycling through “hundreds or even thousands” of IP addresses with very low DNS TTL (sometimes as short as 60 seconds). This means each DNS query can return a……
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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 78
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Evasive Panda APT poisons DNS requests to deliver MgBot Spearphishing Campaign Abuses npm Registry to Target U.S. and Allied Manufacturing and Healthcare Organizations EmEditor Supply Chain Incident Details Disclosed: Distribution of Information-Stealing Malware Sweeps…
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Evasive Panda cyberespionage campaign uses DNS poisoning to install MgBot backdoor
China-linked APT Evasive Panda used DNS poisoning to deliver the MgBot backdoor in targeted cyber-espionage attacks in Türkiye, China, and India. Kaspersky researchers spotted the China-linked APT group Evasive Panda (aka Daggerfly, Bronze Highland, and StormBamboo) running a targeted cyber-espionage campaign using DNS poisoning to deliver the MgBot backdoor against victims in Türkiye, China, and…
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Evasive Panda ändert das DNS, statt Updates lädt man Malware
Die Hacker-Gruppe Evasive Panda nutzte das Domain Name System, um unzählige Computer zu verseuchen. Das DNS ist elementar und keine Beilage. First seen on tarnkappe.info Jump to article: tarnkappe.info/artikel/cyberangriffe/evasive-panda-aendert-das-dns-statt-updates-laedt-man-malware-324673.html
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Warum Datensicherung zur strategischen Kernkompetenz wird Die neue Relevanz von Backup
Am 20. Oktober 2025 stand die digitale Wirtschaft still. Ein DNS-Fehler in der AWS-Region US-EAST-1 legte weltweit über 2.000 Unternehmen und Millionen Nutzer lahm. Von Snapchat über Signal bis zu kritischen Finanzdienstleistern der mehrstündige Ausfall demonstrierte mit schonungsloser Klarheit die Achillesferse der globalisierten Cloud-Infrastruktur. Für europäische Unternehmen war dies mehr als eine technische Störung. Es…
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TDL 012 – The Architect of the Internet on the Future of Trust
Summary In this episode of The Defenders Log, Paul Mockapetris, the architect of DNS, discusses the evolving role of the Domain Name System from a simple directory to a sophisticated security tool. He posits that modern networking requires “making sure DNS doesn’t work when you don’t want it to,” comparing DNS filtering to essential services…
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Evasive Panda APT: Malware Delivery via AitM and DNS Poisoning
Evasive Panda, a sophisticated threat actor known by the aliases Bronze Highland, Daggerfly, and StormBamboo, has escalated its offensive capabilities through a two-year campaign that has deployed advanced attack techniques,, including adversary-in-the-middle (AitM) attacks and DNS poisoning. According to June 2025 research, the group maintained persistent operations between November 2022 and November 2024, targeting victims…
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Real-World Cyber Attack Detection: How Modern SOCs Identify, Block, and Contain Advanced Threats
Executive Summary Modern cyberattacks rarely appear as a single, obvious incident. Instead, they manifest as multiple low-level signals across web, endpoint, DNS, cloud, and network telemetry. When analyzed in isolation, these signals may seem benign. When correlated intelligently, they reveal active attack campaigns targeting applications, identities, cloud storage, and network boundaries. This article presents a…
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Formal proofs expose long standing cracks in DNSSEC
DNSSEC is meant to stop attackers from tampering with DNS answers. It signs records so resolvers can verify that data is authentic and unchanged. Many security teams assume … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2025/12/23/dnssec-validation-risks-research/
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Der Raspberry-Pi-Weckruf für CISOs
Tags: access, authentication, ceo, ciso, control, cyberattack, dns, firewall, group, hacker, Hardware, infrastructure, linux, monitoring, office, risk, switch, tool, voip, vpnKleines Device, große Wirkung.Mitte Dezember wurde eine Fähre in Besitz der Mediterranean Shipping Company über Stunden in einem französischen Hafen festgesetzt, wie Bloomberg berichtete. Der Grund: Es bestand der Verdacht, dass russische Cyberkriminelle versucht haben, das Netzwerk des Schiffs zu hacken mit einem Raspberry Pi. Dieser war demnach mit einem Mobilfunkmodem gekoppelt, das den Fernzugriff…
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Raspberry Pi used in attempt to take over ferry
Tags: ceo, control, dns, Hardware, infrastructure, intelligence, malware, monitoring, network, phoneProceed with caution: Villanustre encouraged anyone discovering such a device to proceed cautiously. “Disconnecting the device could result in losing important forensic information if not careful. It’s not too hard to equip the device with a tiny battery or supercapacitor that would give it enough time to wipe itself out if disconnected from the network or…
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The Raspberry Pi wakeup call: Why enterprises must rethink physical security
Tags: ceo, control, dns, Hardware, infrastructure, intelligence, malware, monitoring, network, phoneProceed with caution: Villanustre encouraged anyone discovering such a device to proceed cautiously. “Disconnecting the device could result in losing important forensic information if not careful. It’s not too hard to equip the device with a tiny battery or supercapacitor that would give it enough time to wipe itself out if disconnected from the network or…
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The Raspberry Pi wakeup call: Why enterprises must rethink physical security
Tags: ceo, control, dns, Hardware, infrastructure, intelligence, malware, monitoring, network, phoneProceed with caution: Villanustre encouraged anyone discovering such a device to proceed cautiously. “Disconnecting the device could result in losing important forensic information if not careful. It’s not too hard to equip the device with a tiny battery or supercapacitor that would give it enough time to wipe itself out if disconnected from the network or…
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BlindEagle Targets Colombian Government Agency with Caminho and DCRAT
Tags: access, attack, authentication, cloud, communications, control, cybercrime, defense, detection, dkim, dmarc, dns, email, encryption, flaw, government, group, infrastructure, injection, Internet, malicious, malware, microsoft, open-source, phishing, powershell, rat, service, spear-phishing, startup, tactics, threat, tool, update, usa, windowsIntroductionIn early September 2025, Zscaler ThreatLabz discovered a new spear phishing campaign attributed to BlindEagle, a threat actor who operates in South America and targets users in Spanish-speaking countries, such as Colombia. In this campaign, BlindEagle targeted a government agency under the control of the Ministry of Commerce, Industry and Tourism (MCIT) in Colombia using…
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How to Fix Reverse DNS does not match the SMTP banner Error
Tags: dnsOriginally published at How to Fix Reverse DNS does not match the SMTP banner Error by EasyDMARC. The “reverse DNS does not match SMTP banner” … First seen on securityboulevard.com Jump to article: securityboulevard.com/2025/12/how-to-fix-reverse-dns-does-not-match-the-smtp-banner-error/
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How to Fix Reverse DNS does not match the SMTP banner Error
Tags: dnsOriginally published at How to Fix Reverse DNS does not match the SMTP banner Error by EasyDMARC. The “reverse DNS does not match SMTP banner” … First seen on securityboulevard.com Jump to article: securityboulevard.com/2025/12/how-to-fix-reverse-dns-does-not-match-the-smtp-banner-error/
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Racks, sprawl and the myth of redundancy: Why your failover isn’t as safe as you think
Tags: access, automation, backup, breach, cloud, control, data, data-breach, defense, detection, dns, encryption, firmware, flaw, infrastructure, intelligence, Internet, metric, mobile, network, resilience, software, strategy, supply-chain, tool, update, vulnerability, zero-dayCloud complexity and policy traps: Networks, however, no longer stay confined to racks. They live in routing tables, BGP sessions, cloud control planes and software-defined overlays. Many organizations rush to multi-region cloud setups, believing geographic distance alone guarantees resilience. It does not. Last year, I oversaw a global e-commerce platform with active-passive failover across two…