security News and Articles

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File Integrity Checks with AIDE

Detection

If an attacker gains access to systems by working around your defenses, you need to discover the attacker's tracks in good time, at least to mitigate the further risk of damage. We show you how to monitor changes to files with the Linux AIDE tool.
Linux , Monitoring , security
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Optimizing domain controller security

Leakproof

Configure your domain controller security settings correctly with Policy Analyzer and current Microsoft baselines for a leak-tight Active Directory.
Active Directory , Microsoft , network , security
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Link Encryption with MACsec

Under Seal

MACsec encrypts defined links with high performance and secures Layer 2 protocols between client and switch or between two switches.
encryption , security
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VMware Updates Tanzu with New Security Features

06.04.2023

Tanzu Application Platform 1.5 offers enhanced security.

Cloud Computing , security , Virtualization
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Passkeys eliminate the need for password-based authentication

Password Overboard!

Passwords are becoming a thing of the past. We look into the basic weaknesses of passwords, explain what passkeys are all about, and assess their practicality.
authentication , password manage... , security
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Libcurl 8.0.0 Fixes Security Issues

31.03.2023

The latest version coincides with the tool’s 25th anniversary.

security
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The end of SHA-1

Pulling the Plug

The SHA-1 cryptographic hash function has been considered insecure for a long time. Some Linux distributions have banned or no longer use it – with some consequences, though.
encryption , Linux , security
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Diving into infrastructure security

Trackers

How to deal with threat intelligence on the corporate network when the existing security tools are not effective.
Firewall , security , threat management
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Policy rulesets in cloud-native environments

Just Enough

What a user is allowed to do in a program is usually defined by a role model, which often poses numerous challenges, especially in the cloud or for infrastructure as code. The free Open Policy Agent offers a flexible way to manage user rights.
cloud , Kubernetes , security
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Quick UDP Internet connections

Fast Track

The UDP-based Quick UDP Internet Connections (QUIC) protocol comes with mandatory TLS encryption and promises faster speeds.
encryption , latency , security
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