After analyzing a database containing 3 billion leaked credentials from security breaches, the Microsoft threat research team determined more than 44 million user accounts had a serious security problem. Here's what you need to know.
The Microsoft threat research team password analysis
The Microsoft threat research team analyzed billions of login credentials that had been leaked following security breaches. These came from multiple sources, including law enforcement and publicly accessible databases, according to Microsoft.
Considering that data breaches are known to have exposed 4.1 billion records in the first six months of 2019 alone, there's obviously plenty of this kind of credential data floating around, and plenty that is traded across dark web markets. Security researchers analyze this breach data, and by so doing, it's possible to get an idea of the most commonly reused and therefore insecure passwords. The Microsoft identity threat research team was also looking for these compromised credentials to cross-check against the Microsoft user eco-system.
Across just the first three months of 2019, Microsoft found some 44 million accounts that were reusing passwords found within those breached credentials databases. You might think that 44 million reused passwords, out of more than 3 billion breached credentials, isn't too bad a percentage. Unless you are one of those Azure AD or Microsoft Account holders with the password problem, of course.
More at: https://www.forbes.com/sites/daveywi...million-users/
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