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Cybersecurity Digest #1: 30/03/2020 – 10/04/2020

13 April 2020

FBI Warns of Teleconferencing and Online Classroom Hijacking During COVID-19 Pandemic and gives some recommendations. The FBI has received multiple reports of conferences being disrupted by pornographic and/or hate images and threatening language. Due to these problems, different companies and organizations decided not to use Zoom. For example, Elon Musk’s SpaceX recently banned its employees from using Zoom, citing “significant privacy and security concerns,” while Taiwan’s cabinet has told government agencies to stop using the app.
Microsoft announced that its plan to disable the security protocols TLS 1.0 and TLS 1.1 in the company’s browsers has been postponed in light of current global events. Initially the company wanted to disable the security protocols in the first half of 2020 . Newer versions of the TLS protocol enable more modern cryptography and are broadly supported across modern browsers.
Security researcher Bill Demirkapi publicly disclosed several critical vulnerabilities on most HP machines running Windows. As he said that there were still unpatched vulnerabilities after some his reports. So, a patch was released on April 1 that the HP Product Security Response Team (PSRT) said fixes “potential escalation of privilege and arbitrary file deletion”