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NSA, CISA issue guidance on Protective DNS services

SC Magazine

A PDNS service uses existing DNS protocols and architecture to analyze DNS queries and mitigate threats. Over a six-month period, the PDNS service examined more than 4 billion DNS queries to and from the participating networks, blocking millions of connections to identified malicious domains.

DNS 131
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A Reactive Cybersecurity Strategy Is No Strategy at All

CyberSecurity Insiders

Not long ago, it was revealed that T-Mobile had been breached by bad actors who convinced employees to switch their SIM cards to let them bypass two-factor identification — reminding us how effective social engineering can still be. So why aren’t more organizations taking advantage of protective DNS?

DNS 140
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Growing Ransomware Danger Demands Layered Defense of Your Endpoints

Cisco Security

In particular, Cisco Umbrella and Cisco Secure Endpoint form the first and last lines of defense for your security architecture. Within Cisco Umbrella, we can look at the different events that it logs while monitoring DNS traffic. Watch one of our Technical Marketing Engineers talk through the demo scenario live.

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Security Innovator of the Year | Jeremy Brown, Trinity Cyber

SC Magazine

Jeremy Brown helped Trinity Cyber develop counter maneuvers for a DNS exploit requiring deep parsing of a certain kind of traffic, deploying it to all clients in less than two days. They developed a powerful new approach to intrusion prevention system as-a-service, delivered through a service edge architecture and patent-pending technology.

DNS 70
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Growing Ransomware Dangers Demand Layered Defense of Your Endpoints

Cisco Security

In particular, Cisco Umbrella and Cisco Secure Endpoint form the first and last lines of defense for your security architecture. Within Cisco Umbrella, we can look at the different events that it logs while monitoring DNS traffic. Watch one of our Technical Marketing Engineers talk through the demo scenario live.

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Discovery of Simps Botnet Leads To Ties to Keksec Group

Security Affairs

The script downloaded several next stage payloads for several *nix architectures from the open directory named “Simps” in the same C2 URL from where the shell script was downloaded (see Figure 1). The code similarity of the Valve source Engine module used by Simps was similar to Gafgyt. 200 in simps directory to tmp. see Figure 13).

DDOS 129
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Trend Micro observed notable malware activity associated with the Momentum Botnet

Security Affairs

The Momentum bot targets various Linux platforms running upon multiple CPU architectures, including ARM, MIPS, Intel, and Motorola 68020. ” Momentum supports 36 different methods for DDoS attacks, including multiple reflection and amplifications attack methods that target MEMCACHE , LDAP , DNS and Valve Source Engine.

Malware 63