Category: DNS Firewall

  • DNS KeyTrap vulnerability

    DNS KeyTrap vulnerability

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    by

    Swapneel Patnekar

    DNS KeyTrap vulnerability is a critical flaw in the design of DNSSEC (DNS Security Extensions). A single DNS packet can exhaust the CPU, causing a Denial of Service in a DNSSEC validating recursive resolver. Security researchers at the German National Research Center for Applied Cybersecurity ATHENE uncovered the critical flaw, which has been assigned and listed as CVE-2023-50387 and CVE-2023-50868…

  • Scams luring faster Ola electric scooter delivery date on the rise

    Scams luring faster Ola electric scooter delivery date on the rise

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    by

    Vivek Halappanavar

    Shreshta Threat Intelligence has uncovered scams luring faster Ola electric scooter delivery date. The threat actors are launching phishing campaigns impersonating OLA , deceiving consumers into purchasing Ola electric scooters by promising a faster delivery date. Executive Summary As per our analysis, we conclude with high confidence that the attackers are launching phishing websites impersonating…

  • What is a DNS Firewall?

    What is a DNS Firewall?

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    by

    Swapneel Patnekar

    A DNS firewall also known as Protective DNS is an enterprise network security solution. It filters and manages DNS queries and responses. It protects organizations from cyber threats. These threats include phishing, malware, cryptojacking, domain generation algorithms(DGA), command and control (C2) domain names. It determines which domain names users can access based on set rules…