Cybrary IT - free cybersecurity training videos on everything from basic network security to penetration testing
SANS Reading Room - white papers that go into depth on cybersecurity topics if there is something you are particularly interested in
Krebs on Security - Cybersecurity news blog
OWASP Top 10 - OWASP’s top 10 cybersecurity threats
DVWA - A vulnerable web app you can hack to learn about its vulnerabilities
SANS Cyber Aces - More free training videos by SANS covering linux, windows, and web scripting (PHP)
edX - Various free online courses, some are cybersecurity
VirusTotal is a free service that analyzes suspicious files and facilitates the quick detection of viruses, worms, trojans, and all kinds of malware.
Avast - Antivirus software
Wipe Utility Programs
Microsoft Safety Scanner is a free tool that provides on-demand scanning and helps remove viruses, spyware, and other malicious software. It works with your existing anti-virus software.
DBAN - DBAN is free erasure software designed for the home user. It automatically deletes the contents of any hard disk that it can detect.
Active KillDisk - Powerful and compact software that allows you to destroy all data on hard disks, SSD & USB disks completely, excluding any possibility of future recovery of deleted files and folders.
Eraser - Eraser is an advanced security tool for Windows which allows you to completely remove sensitive data from your hard drive by overwriting it several times with carefully selected patterns. Works for many older versions of Windows.