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Stay updated on DNS security with the latest news on threats, protection strategies, and expert insights into securing your domain systems.

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DNS is the distributed naming system that translates domain names into IP addresses and other service records. Its security matters because an attacker who compromises a registrar account, authoritative DNS server, or resolver can redirect users to an attacker-controlled service, disrupt access, or interfere with email and software updates. Forged replies and cache poisoning can produce similar redirection when validation is absent. DNS traffic can also carry command-and-control instructions or encoded data, although unusual queries require investigation rather than being treated as proof of compromise.

DNSSEC allows validating resolvers to authenticate signed DNS data, reducing spoofing and cache-poisoning risk; it does not encrypt queries or guarantee availability. Protect registrar and DNS-administration accounts with strong authentication and least privilege, restrict recursion and zone transfers, patch DNS software, and use redundant authoritative infrastructure. Monitor record changes, resolver errors, query volumes, and patterns such as long, frequently changing subdomains to support detection of hijacking, outages, or DNS tunneling.

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SaaS Observability Vendor Adds Real-Time Network Flow Telemetry to DNS IntelligenceInfoblox plans to acquire San Francisco-based network observability specialist Kentik to combine DNS, DHCP, asset intelligence and real-time network flow telemetry into a unified platform designed to help enterprises manage increasingly complex hybrid cloud and AI-driven environments.

Researchers uncovered 222 GitHub repositories spreading malware through fake Go packages, delivering loaders, stealers, RATs, and cryptominers. Socket’s security research team started with the investigation of a single malicious Go module: github[.]com/kaleidora/dnsub-scanning-tool, which presented itself as a DNS and subdomain scanning utility. Pulling on that thread exposed something significantly larger: a network of 222 confirmed […]

Researchers exposed the Silent Ransom Group ‘s Fast Flux infrastructure as the FBI warns of ongoing attacks targeting U.S. law firms and businesses. Resecurity uncovered the Silent Ransom Group (SRG)’s Fast Flux network infrastructure and shares available intelligence with the cybersecurity community to disrupt their malicious activities and enable ISP/DNS providers to counter this threat. […]

Hijacking DNS Settings Helps Russian Hackers Decrypt TLS Traffic, Microsoft WarnsHackers tied to Russia's GRU military intelligence agency are compromising SOHO routers to hijack their DNS settings and spy on the cloud activities of high-value government, IT, telecommunications and energy organizations, Microsoft warns.

The Russia-linked threat actor known as APT28 (aka Forest Blizzard) has been linked to a new campaign that has compromised insecure MikroTik and TP-Link routers and modified their settings to turn them into malicious infrastructure under their control as part of a cyber espionage campaign since at least May 2025

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