theconversation – Data breaches are a regular part of the cyberthreat landscape. They generate a great deal of media attention, both because the quantity of information stolen is often large, and because so much of it is data people would prefer remained private. Dozens of high-profile breaches over the last few years have targeted national retailers, health care providers and even databases of the federal government, getting Social Security numbers, fingerprints and even background-check results. Though breaches affecting consumer data have become commonplace, there are other resources that, when targeted, lead to major security concerns. Recently, a hacker claimed to be selling over 32 million Twitter usernames and passwords on an underground marketplace. Tiếp tục đọc “Buying and selling hacked passwords: How does it work?” →