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Muddling Meerkat, a mysterious DNS Operation involving China’s Great Firewall

Security Affairs

The China-linked threat actors Muddling Meerkat are manipulating DNS to probe networks globally since 2019. Infoblox researchers observed China-linked threat actors Muddling Meerkat using sophisticated DNS activities since 2019 to bypass traditional security measures and probe networks worldwide. ” concludes the report.

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TsuNAME flaw exposes DNS servers to DDoS attacks

Security Affairs

A flaw in some DNS resolvers, tracked as TsuNAME, can allow attackers to launch DDoS attacks against authoritative DNS servers. domains), and the Information Science Institute at the University of Southern California has discovered a vulnerability, named TsuNAME, in some DNS resolvers. queries/s).” queries/s).”

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What Is DNS Security? Everything You Need to Know

eSecurity Planet

DNS security protects the domain name system (DNS) from attackers seeking to reroute traffic to malicious sites. Since a majority of business IT traffic now accesses or passes through the internet, DNS plays an increasingly important — and vulnerable — role. in the DNS cache for more efficient delivery of information to users.

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German encrypted email service Tutanota suffers DDoS attacks

Security Affairs

The popular encrypted email service Tutanota was hit with a series of DDoS attacks this week targeting its website fist and its DNS providers later. Encrypted email service, Tutanota suffered a series of DDoS attacks that initially targeted the website and later its DNS providers. ” continues the post.

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Cloudflare mitigated 2 Tbps DDoS attack, the largest attack it has seen to date

Security Affairs

Cloudflare announced to have mitigated a distributed denial-of-service (DDoS) attack that peaked at almost 2 terabytes per second (Tbps). is an American web infrastructure and website security company that provides content delivery network and DDoS mitigation services. SecurityAffairs – hacking, DDoS). Cloudflare, Inc.

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Google mitigated a 2.54 Tbps DDoS attack in 2017, the largest DDoS ever seen

Security Affairs

The Google Cloud team revealed that in September 2017 it has mitigated DDoS attack that reached 2.54 Tbps, the largest DDoS attack of ever. The Google Cloud team revealed that back in September 2017 it has mitigated a powerful DDoS attack that clocked at 2.54 Tbps DDoS attack mitigated by Amazon’s AWS in February.

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These are the sources of DDoS attacks against Russia, local NCCC warns

Security Affairs

Russian government released a list containing IP addresses and domains behind DDoS attacks that hit Russian infrastructure after the invasion. SecurityAffairs – hacking, DDoS). The post These are the sources of DDoS attacks against Russia, local NCCC warns appeared first on Security Affairs. Pierluigi Paganini.

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