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2
votes
1answer
176 views

Why recommend “letters, numbers, and special characters” in a User ID?

Why do some sites recommend "letters, numbers, and special characters" in a username or User ID? When creating a User ID at the www.discovercard.com website, the "User ID Strength" indicator meter ...
3
votes
1answer
1k views

Is TLS 1.0 sufficiently secure for a bank?

I disabled SSL2 and SSL3 in my Firefox browser, version 24. I only enabled TLS 1.1 and 1.2. Unfortunately when I went to my bank's website, I found that it didn't work until I re-enabled TLS 1.0. ...
0
votes
1answer
441 views

Is it possible that the same VISA debit card numbers could be issued to different people by different banks? [closed]

I'm wondering if is it possible that the same VISA debit card numbers could ever be issued to different people by different banks or companies?