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Weekly Vulnerability Recap – September 4, 2023 – Attackers Hit Network Devices and More

eSecurity Planet

Unpatched devices can give attackers privileged access to networks, particularly those set up as VPN virtual servers, ICA proxies, RDP proxies, or AAA servers. It is suspected that the Akira ransomware organization used an undisclosed weakness in Cisco VPN software to evade authentication. MFA should be enabled for all VPN users.

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How To Set Up a Firewall in 8 Easy Steps + Best Practices

eSecurity Planet

Check out our guide on firewall policy steps and download our free template. Configure Logging & Alerts Recording and monitoring firewall activity makes sure that security risks or operational concerns are detected in a timely manner. Changes should be documented and audit information stored for regulatory reporting purposes.

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What Is Encryption? Definition, How it Works, & Examples

eSecurity Planet

The algorithm allows for variable key sizes and variable rounds to increase randomness and security. AES encryption can be commonly found in communication protocols, virtual private network (VPN) encryption, full-disk encryption, and Wi-Fi transmission protocols. It was updated by Chad Kime on December 7, 2023.

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How to Prevent DNS Attacks: DNS Security Best Practices

eSecurity Planet

When a DNS server makes a request to a DNS resolver, the DNS resolver will download and check the public encryption key to verify the authenticity and accuracy of the IP address associated with the requested URL address. URLs that support DNSSEC publish a public encryption key along with their domain name and IP address.

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APT trends report Q1 2021

SecureList

On February 24, the National Security Defense Council of Ukraine (NSDC) publicly warned that a threat actor had exploited a national documents circulation system (SEI EB) to distribute malicious documents to Ukrainian public authorities. We attribute this activity to APT10 with high confidence. Other interesting discoveries.

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