Latest News on Cyber Security

Latest News on Cyber Security

Krebs on Security In-depth security news and investigation

  • by BrianKrebs on March 5, 2021 at 9:07 pm

    At least 30,000 organizations across the United States — including a significant number of small businesses, towns, cities and local governments — have over the past few days been hacked by an unusually aggressive Chinese cyber espionage unit that’s focused on stealing email from victim organizations, multiple sources tell KrebsOnSecurity. The espionage group is exploiting four newly-discovered flaws in Microsoft Exchange Server email software, and has seeded hundreds of thousands of victim organizations worldwide with tools that give the attackers total, remote control over affected systems.

  • by BrianKrebs on March 4, 2021 at 3:01 pm

    Over the past few weeks, three of the longest running and most venerated Russian-language online forums serving thousands of experienced cybercriminals have been hacked. In two of the intrusions, the attackers made off with the forums’ user databases, including email and Internet addresses and hashed passwords.

  • by BrianKrebs on March 2, 2021 at 9:19 pm

    Microsoft Corp. today released software updates to plug four critical security holes that attackers have been using to plunder email communications at companies that use its Exchange Server products. The company says all four flaws are being actively exploited as part of a complex attack chain deployed by a previously unidentified Chinese cyber espionage group.

  • by BrianKrebs on March 2, 2021 at 7:36 pm

    PrismHR, a company that sells software and services used by other firms to help more than 80,000 small businesses manage payroll, benefits, and human resources, has suffered what appears to be an ongoing ransomware attack.

  • by BrianKrebs on March 1, 2021 at 5:22 pm

    A company that rents out access to more than 10 million Web browsers so that clients can hide their true Internet addresses has built its network by paying browser extension makers to quietly include its code in their creations. This story examines the lopsided economics of extension development, and why installing an extension can be such a risky proposition.

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