Here are some of my favorite sites on the Web. If you think your site should be here, email me!

Security & Forensics Resources
MITRE ATT&CK Framework	Adversarial tactics, techniques, and common knowledge
Exploit Database	Archive of exploits and vulnerable software
VirusTotal	Free multi-engine malware scanner
CFReDS	NIST Computer Forensics Reference Data Sets
CFReDS Drone Images	Archived drone imagery datasets for forensics research
Digital Corpora	Super high-quality DFIR scenarios and images
Forensic Focus Challenges	Page with links to even more DFIR samples
DFTT	Very old pre-2010 DFIR images
The Binary Hick Public Images	Research-quality mobile forensics images
picoCTF	Beginner-friendly cybersecurity competition platform

Sysadmin Lore (aka Required Reading)
The BOFH	How to make sure everyone in your office hates you: a guide
The Story of Mel	RIP Mel Kaye
The Magic Story	Who doesn't want more magic?
The 500-Mile Mail	"If the problem had had to do with the geography of the human recipient and not his mail server, I think I would have broken down in tears."
The Network is Down	Featuring Web Dude and Sales Guy. Oh, if only the days of playing Halo CE (or UT99) at work could return
Real Programmers Don't	A 'real programmer' circa 1983 discussing how real programmers only use OS/370, don't use FORTRAN, and don't each quiche

Communities & Forums
DF Discord - Vehicles	Vehicle forensics channel on the Digital Forensics Discord
DF Google Group	Digital Forensics community on Google Groups

Tech & Fun
ComputerBase	Excellent German tech outlet (bring Google Translate)
xkcd	A webcomic of romance, sarcasm, math, and language