The Redmond-based tech giant revealed that it tracks more than 30 billion log-in events daily and more than one billion active users monthly. On average, 0.5% of Microsoft accounts get compromised per month. To put that statistic into perspective, that’s a whopping 1.2 million accounts every 30 days or so.
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“If you have an organization that has 10,000 users, 50 of them are going to be compromised this month,” said Alex Weinert, Microsoft’s director of identity security. Weinert zoomed in on Microsoft enterprise accounts, and noted that only 11% enabled a multi-factor authentication solution. Weinert said that multi-step authentication is crucial because it would increase data protection against hackers’ preferred method for infiltrating Microsoft accounts, which is password spraying. Password spraying, according to ZDNet, is “a technique during which an attacker picks a common and easy-to-guess password, and goes through a long list of usernames until they get a hit and can access an account using said password.” Approximately 40% of hacked Microsoft accounts in January were compromised using password spraying. The second-most common way that Microsoft accounts get hacked is a method called password replays. This is when a hacker snatches leaked credentials from another company and then tries it on a Microsoft account. Unfortunately, there’s a chance that the cybercriminal may find a match. “We know that 60% of users reuse passwords. It’s super common,” Weinert said. “Don’t be confused. People reuse their enterprise accounts in non-enterprise environments.” The vast majority of password spraying (99%) and password replay attacks (97%) that take place at Microsoft are followed through legacy authentication protocols, including SMTP, IMAP and POP. “The reason, according to the cloud giant, is that these legacy authentication protocols don’t support MFA solutions, making them ideal for hackers,” ZDNet wrote. Companies that disable legacy authentication protocols have seen a 67% reduction in account hacks. The moral of the story here is clear: Turn on multi-step authentication for your accounts and don’t be dependent on one password for all your logins. Microsoft revealed their findings last week at the RSA security conference, an annual symposium that addresses cybersecurity concerns.
