Online scanner from ESET, which quickly and easily checks your computer for malware.
Suspicious files or URLS can be checked by numerous AV products in the Virustotal search engine.
Check which ransomware has infected your system with ID Ransomware. Upload an encrypted file or the file with the ransom demand to use MalwareHunterTeam’s service.
„Have i been pwned?" is a database of leaked accounts from e.g. LinkedIn, MySpace or Tumblr. The service lets you enter your email address to check whether it was involved in a leak. It will also save your email address on request to inform you of any new leaks that involve your account(s).
The Identity Leak Checker, run by the Hasso-Plattner Institute in Potsdam, checks whether your email address was involved in a data leak.
Phishtank is a huge and very current database of Phishing pages. It allows users to check Phishing URLS and to report new Phishing pages.
Phishing Check lists not only Phishing URLS, but also current Phishing attacks against particular banks or businesses. It is run by the French email security company VadeSecure.
„No More Ransom!“ is an educational website on ransomware, run by Europol, the Dutch police, and the two antivirus companies IntelSecurity and Kaspersky.
Initiative-S is a free website scan for your company, your blog or club website.