X-rays at 131: Röntgen's 1895 discovery, and what came next
On 8 November 1895, Röntgen saw a glow that shouldn't exist. How the X-ray was found, why he never patented it, and …
TECHNOLOGY
Technology 186 posts
News, tutorials and takes on the tech world — with a heavy focus on information security.
DigiNotar: The Certificate Authority Hacked and Bankrupt in 2011
In 2011, attackers issued 531 rogue DigiNotar certificates, including one for Google. How a CA works, what went wrong …
What Is XSS (Cross-Site Scripting)? 3 Types and Prevention
XSS makes the browser run attacker code as if it came from the site. See the 3 types (reflected, stored, DOM), a simple …
How to Find a Suspicious Process on Windows with Get-Process
Find a suspicious process on Windows with Get-Process: executable path, digital signature, parent process and network …
How to Create a Strong Password: 6-Word Passphrase (Diceware)
A password full of symbols is not a strong password. Learn how to build a 6-word Diceware passphrase, when to use it and …
Hacked Google account: what to do in the first hour
Google account or Gmail hacked? Learn the signs, how to regain access, what to check (forwarding, apps) and how to lock …
Tokyo Stock Exchange Crashed in 2005: A 4.5-Hour Software Bug
On Nov 1, 2005, the Tokyo Stock Exchange sat idle for 4.5 hours because of a latent bug. What the Fujitsu case teaches …
SQL Slammer: The 376-Byte Worm That Slowed the Internet in 2003
On Jan 25, 2003, a 376-byte worm infected 75,000 SQL Server hosts in 10 minutes. Here's how Slammer worked and what it …
SPF, DKIM and DMARC: What They Are and How to Stop Spoofing
SPF, DKIM and DMARC stop others from sending email as your domain. Learn what each does, how to check your domain and …
How to Check Your PC Hardware with PowerShell (Get-CimInstance)
See CPU, RAM, BIOS, graphics card and serial number with Get-CimInstance: a PowerShell hardware inventory for one PC or …