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In Excel and Word 95 and prior editions a weak protection algorithm is used that converts a password to a 16-bit verifier and a 16-byte XOR obfuscation array [1] key. [4] Hacking software is now readily available to find a 16-byte key and decrypt the password-protected document. [5] Office 97, 2000, XP and 2003 use RC4 with 40 bits. [4]
These rules could also process the GECOS field in the password file, allowing the program to use the stored names of the users in addition to the existing word lists. Crack's dictionary generation rule syntax was subsequently borrowed [12] and extended [13] by Solar Designer for John the Ripper.
Three password types can be set in Microsoft Word: Password to open a document [83] Password to modify a document [83] Password restricting formatting and editing [84] The second and third password types were developed by Microsoft for convenient shared use of documents rather than for their protection.
Change your password immediately. 2. Delete app passwords you don’t recognize. 3. Revert your mail settings if they were changed. 4. Ensure you have antivirus software installed and updated. 5. Check to make sure your recovery options are up-to-date. 6. Consider enabling two-step verification to add an extra layer of security to your account.
Here’s how LastPass Premium works: Let’s say you’re creating a password to obtain sensitive medical records online. The password manager will create a complex, rock-solid password that ...
Failing to change a password – Some experts suggest changing passwords at least once a year. The problem is most people keep the same password forever, and that makes it easier for them to get ...
The purpose of password cracking might be to help a user recover a forgotten password (due to the fact that installing an entirely new password would involve System Administration privileges), to gain unauthorized access to a system, or to act as a preventive measure whereby system administrators check for easily crackable passwords. On a file ...
A strong password is your first line of defense against intruders and imposters. Here are some helpful tips on creating a secure password so you can make sure your information remains safe. Create a strong password • Use unique words - Don't use obvious words like "password". • Have 12 or more characters - Longer passwords are more secure.