Security Tools

General Tools

Reverse Image Search - https://images.google.com/

See where an image has been posted on the internet

Virus Total - https://www.virustotal.com/gui/home/upload

  Online virus scanner

Cyber Chef - https://gchq.github.io/CyberChef/

Various encoding/decoding functions

Shodan - https://beta.shodan.io/

  Search engine for devices accessible from the internet

People Information Tools

People Search - https://www.fastpeoplesearch.com/

  People lookup by name or address

Open Corporates - https://opencorporates.com/

  View information about corporations and their officers

OSINT Framework - https://osintframework.com/

Collection of open-source intelligence tools

IP/Domain Tools

Whois - https://www.whois.com/

  Registration information on IP address or domain

IP Geolocation - https://tools.keycdn.com/geo

  Shows the general location of an IP address

DNS Dumpster - https://dnsdumpster.com/

  Domain information

IP VPN Lookup - https://www.ipqualityscore.com/vpn-ip-address-check

Checks if an IP belongs to a known VPN provider

Abuse IP DB - https://www.abuseipdb.com/

See if an IP address has been reported as malicious