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password is a word or string of characters used for user authentication to prove identity or access approval to gain access to a resource (example: an access code is a type of password), which is to be kept secret from those not allowed access.

The use of passwords is known to be ancient. Sentries would challenge those wishing to enter an area or approaching it to supply a password or watchword, and would only allow a person or group to pass if they knew the password. In modern times, user names and passwords are commonly used by people during a log in process that controls access to protected computer operating systems, mobile phones, cable TV decoders, automated teller machines (ATMs), etc. A typical computer user has passwords for many purposes: logging into accounts, retrieving e-mail, accessing applications, databases, networks, web sites, and even reading the morning newspaper online.

Despite the name, there is no need for passwords to be actual words; indeed passwords which are not actual words may be harder to guess, a desirable property. Some passwords are formed from multiple words and may more accurately be called a passphrase. The terms passcode and passkey are sometimes used when the secret information is purely numeric, such as the personal identification number (PIN) commonly used for ATM access. Passwords are generally short enough to be easily memorized and typed.

Most organizations specify a password policy that sets requirements for the composition and usage of passwords, typically dictating minimum length, required categories (e.g. upper and lower case, numbers, and special characters), prohibited elements (e.g. own name, date of birth, address, telephone number). Some governments have national authentication frameworks that define requirements for user authentication to government services, including requirements for passwords.

The company is sending out password reset emails to users whose passwords were exposed.
Plus: How SEC's IT staff begged for more cash Roundup  Another week draws to a close so it's time to review the security news you may have missed in between the big hitters: the NSA contractor who leaked more exploits, Apple's encryption password blund...
The site boasted three million users last year.
Apple's recently released High Sierra operating system is patched for flaws in the keychain password service and APFS filesystem.
Apple's recently released High Sierra operating system is patched for flaws in the keychain password service and APFS filesystem.
Apple rushed out an emergency patch that fixed an bug in High Sierra that revealed APFS volume passwords via the password hint feature.
It's the first update for the new Mac operating system since it was released last month.
High Sierra update derided by devs as half-baked Video  Apple on Thursday released a security patch for macOS High Sierra 10.13 to address vulnerabilities in Apple File System (APFS) volumes and its Keychain software.…
Phishing sites only stick around in Blighty for 1 hour, they boast The National Cyber Security Centre responded to 590 "significant attacks" over the last year including WannaCry, MPs' email addresses being targeted due to weak passwords and various threats to other large organisations.…
A fix for a rare, yet serious, issue on the new LTE-enabled watches.
Leaked admin accounts and passwords for radio stations allowed anyone to log-in and hijack broadcasts.
NatWest PR: No, no, no.

That person's info was BAD Retail bank NatWest is backtracking on previous claims that it was aware of a security glitch at the log-in stage that requested customers to enter more digits of their password than existed.…