If websites store our passwords in md5 hashes, how can they be hacked?
2567
Secure hash and salt for PHP passwords
54553
How can I generate an MD5 hash?
111070
Is it safe to use the hash of the data as the key to encrypt them?
120462
How is a public key actually used to encrypt something?
84814
Two-way encryption: I need to store passwords that can be retrieved
52243
Which hash algorithm is most secure for passwords?
144259
How are hash functions like MD5 unique?
143420
Recommended way of adding a pepper/secret key to password before hashing?
20913
Why does `md5sum` not give the same hash as the Internet does?
139299
Why is my command-line hash different from online MD5 hash results?
105481
Preventing Brute Force Logins on Websites
139438
Hacked Site - SSH to remove a large body of javascript from 200+ files
89065
PHP best way to MD5 multi-dimensional array?
35475
Encrypting the password
79891
Key Derivation Functions vs. Password Hashing Schemes
56980
How hard is it to generate a simultaneous MD5 and SHA1 collision?
42228
what is an alternative to password_hash() for (PHP 5 < 5.5.0)?