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Security

Cloud Digest
Security

Geeker's Cloud Digest – 4/22

Welcome to another edition of Geeker's Cloud Digest, a digest of several cloud related news ...
By Claudio Kuenzler
January 27, 2023
Internet Globe
Security

What is an unvalidated redirect?

If you're working with security audits and vulnerability scanners, you might come across the term ...
By Claudio Kuenzler
February 17, 2022
TLS certificate chain
Security

How to create and troubleshoot OpenSSL SSL/TLS certificates

Working with SSL/TLS certificates? Need to verify a certificate chain? Need to create a private ...
By Claudio Kuenzler
November 26, 2021
Facebook data leak
Security

Data from 500 million Facebook users leaked and shared for public download

A massive data leak from Facebook was collected and shared online, which includes data from ...
By Claudio Kuenzler
April 7, 2021
How DNSBL works
Security

What is a DNSBL (DNS Black List) and how do they work against spams?

A DNSBL, also known as DNS Black Lists or DNS Block Lists or RBL (Real-time ...
By Claudio Kuenzler
February 4, 2021
Wordpress stats
Security

How to protect your WordPress site from brute force login attacks

Every WordPress administrator looking at site statistics becomes quickly aware that one of the most ...
By Claudio Kuenzler
February 2, 2021
Windows
Security

How to kill your Windows machine in one second (critical NTFS vulnerability)

There is a critical vulnerability in Windows which will destroy the NTFS file system when ...
By Michael Aigner
January 16, 2021
Let's Encrypt Logo
Security

Certbot unable to issue certificate, instead asks for 'Please choose an account'

When trying to add a new Let's Encrypt TLS certificate, certbot failed with the following ...
By Claudio Kuenzler
January 6, 2021

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How to install Debian 12 (Bookworm), step by step

How to fix: Holding down arrow keys in Linux Mint not working

Debian 12 (Bookworm) release date announced

Okazanta was meant to revive Cachet – but now it's dead, too

Discovering the Safety Secrets of Crypto Trading

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