2019 DNS Encryption Firewall 
Cisco Security
MARCH 16, 2021
In fact, 63% of threats detected by Cisco Stealthwatch in 2019 were in encrypted traffic. The European Union is concerned enough that it drafted a resolution in November 2020 to ban end-to-end encryption, prompting outcry from privacy advocates. Keeping your destination private: DNS over HTTPS.
Security Affairs
OCTOBER 5, 2020
The experts are monitoring the Mirai-based botnet since November 2019 and observed it exploiting two Tenda router 0-day vulnerabilities to spread a Remote Access Trojan (RAT). “Two zero days, 12 remote access functions for the router, encrypted traffic protocol, and infrastructure IP that that moves around. .
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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.
Security Affairs
MARCH 22, 2020
The expert Bob Diachenko has discovered an unsecured Elasticsearch install belonging to a UK security firm that contained 5 billion records of data leaked in previous incidents that took place between 2012 and 2019. ” wrote Security Discovery’s researcher Bob Diachenko.
Security Affairs
OCTOBER 20, 2021
The package also sets two registry values under the key “HKLMSYSTEMCurrentControlSetControlSession Manager” and runs a.vbs script that creates a Windows firewall rule to block incoming connections on ports 135, 139, and 445. . The final backdoor is a DLL file protected by the VMProtect. ” continues the analysis.
Security Affairs
MARCH 22, 2020
The expert Bob Diachenko has discovered an unsecured Elasticsearch install belonging to the security firm Keepnet Labs that contained 5 billion records of data leaked in previous incidents that took place between 2012 and 2019. ” wrote Security Discovery’s researcher Bob Diachenko.
Security Affairs
JULY 27, 2020
According to our estimate, CoAP can reach up to 32 times (32x) amplification factor, which is roughly between the amplification power of DNS and SSDP.”. Another protocol exploited by threat actors in the wild is the Web Services Dynamic Discovery (WS-DD), experts observed large scale DDoS attacks in May and August 2019.
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