DNS Firewall Malware Threat Detection 
Cisco Security
MARCH 16, 2021
In fact, 63% of threats detected by Cisco Stealthwatch in 2019 were in encrypted traffic. In this blog I’ll describe two recent privacy advances—DNS over HTTPS (DoH) and QUIC—and what we’re doing to maintain visibility. Keeping your destination private: DNS over HTTPS. Until recently, DNS messages were sent in the clear.
Cisco Security
AUGUST 11, 2021
We looked at REvil, also known as Sodinokibi or Sodin, earlier in the year in a Threat Trends blog on DNS Security. In it we talked about how REvil/Sodinokibi compromised far more endpoints than Ryuk, but had far less DNS communication. Figure 1-DNS activity surrounding REvil/Sodinokibi. Changing firewall rules.
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Cisco Security
MAY 17, 2021
In the last few months, we announced a steady flow of security features including data loss protection (DLP), remote browser isolation (RBI), cloud malware detection, simplified rules-based policy creation, and more. Additionally, new Snort 3 IPS with Threat Defense 7.0
eSecurity Planet
MARCH 15, 2021
Raise Next-Generation Firewalls . Lastly, and probably the most advanced microsegmentation method is next-generation firewalls (NGFWs). While not initially intended for the cloud, NGFW vendors are increasingly offering their security solutions in the form of firewalls as a service (FWaaS). . Best practices for microsegmentation.
CyberSecurity Insiders
JANUARY 6, 2022
Many people still don’t realize the dangers of phishing, malware, ransomware, unpatched software, and weak passwords. HTTPS and DNS), data link (e.g., Ethernet and MAC), the session (WEB sockets), transport (SSL, TCP, and UDP), perimeter (firewalls), and physical layers (securing endpoint devices).
eSecurity Planet
FEBRUARY 16, 2021
Malware, short for “malicious software,” is any unwanted software on your computer that, more often than not, is designed to inflict damage. Since the early days of computing, a wide range of malware types with varying functions have emerged. Best Practices to Defend Against Malware. Jump ahead: Adware. RAM scraper.
CyberSecurity Insiders
SEPTEMBER 21, 2021
As of August 30, 2021, many malware samples still have zero antivirus (AV) detections and others have low detection rates. TeamTNT has been one of the most active threat groups since mid 2020. At the end of the execution, the malware deletes any file that has been downloaded. Detection methods. Background.
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