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Explained: Domain fronting

Malwarebytes

The legitimate domains often belong to Content Delivery Networks (CDNs), but in recent years a number of large CDNs have blocked the method. The list includes Amazon (banned in 2018), Google (2018), Microsoft (2022), and Cloudflare (2015). They are also known as content distribution networks.

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What is DKIM Email Security Technology? DKIM Explained

eSecurity Planet

At a high level, DKIM enables an organization to provide encryption hash values for key parts of an email. Using public-private encryption key pairs, receiving email servers can compare the received email hash value against the received hash value to validate if any alterations took place in transit.

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New Ransomware Highlights Widespread Adoption of Golang Language By Cyberattackers

Hacker Combat

Further, it also matches the two variants in how the malware executes file encryption and secures command-line disputes. According to experts from CrowdStrike: “This method of using a memory-only dropper prevents security solutions from detecting the final payload without the unique key used to execute the packer.”

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Threat Protection: The REvil Ransomware

Cisco Security

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. Encrypting files.

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Is Your Small Business Safe Against Cyber Attacks?

CyberSecurity Insiders

In fact, small businesses are more susceptible to security breaches and cyberattacks because most often they dont expect the attack, thus are unprepared to handle the situation. Back in 2018, almost two-thirds of the small businesses suffered from cyber security attacks. . Ensure Network Security .

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Abusing cloud services to fly under the radar

Fox IT

After this the adversary dumps the domain admin credentials from the memory of this machine, continues lateral moving through the network, and places Cobalt Strike beacons on servers for increased persistent access into the victim’s network. observed Q2 2017 Cobalt Strike v3.12, observed Q3 2018 Cobalt Strike v3.14, observed Q2 2019.

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How to Improve Email Security for Enterprises & Businesses

eSecurity Planet

It is very affordable for an organization to enable their security tools and web servers to check for and enforce these protocols. It can be time consuming to establish these protocols on an organization’s DNS servers, but doing so will provide two key benefits.