As of May 9, 2021, Microsoft will only use SHA-2

[German]Microsoft will only allow the more secure SHA-2 algorithm in its processes and services (including in TLS certificates, code signing and file hashing) from May 9, 2021. SHA-1 use will then no longer be possible.

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Patchday Microsoft Office Updates (April 13, 2021)

[German]On April 13, 2021 (second Tuesday of the month, Microsoft Patchday), Microsoft has released several security-related updates for still supported Microsoft Office versions and other products. Here is an overview of the available updates.

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Patchday: Updates for Windows 7/Server 2008 R2 (April 13, 2021)

Windows Update[German]On April 13, 2021, Microsoft released various (security) updates for Windows 7 SP1 and Windows Server 2008 R2 with Extended Security Update (ESU) support. Here is the overview of these updates.

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Patchday: Windows 8.1/Server 2012 Updates ( April 13, 2021)

Windows Update[German]On April 13, Microsoft released various updates for Windows 8.1. However, these updates are also available for Windows Server 2012 R2. Here is some information about them.

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Patchday: Windows 10-Updates (April 13, 2021)

[German]On April 13, 2021 (second Tuesday of the month, patchday at Microsoft), various cumulative updates for the supported Windows 10 builds were released. Here are some details about each update.

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Exchange Server Security Update KB5001779 (April 13, 2021)

Windows Update[German]As expected, Microsoft has released security updates for Exchange Server 2013, Exchange Server 2016 and Exchange Server 2019 on April 13, 2021 (Patchday). These are intended to close vulnerabilities found that were reported by security companies. Prompt installation is recommended – though feedback on bugs has yet to be received. Here is some information about these updates.

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Microsoft Security Update Summary (April 13, 2021)

[German]On April 13, 2021, Microsoft released security updates for Windows clients and servers, for Office, etc. – as well as for Microsoft Exchange – have been released. Below is a compact overview of these updates.

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Why you should quit WhatsApp

If you observe Facebook’s WhatsApp from a view or a data protection activist or a security expert, you should have dropped that messenger (I dumped that thing in 2018 due to GDPR reasons). During the past WhatsApp has a steady stream of huge security issues. I just link here to the Forbes article Why You Should Quit WhatsApp As Critical New Update Confirmed from March 6, 2021. Now we have the next nail in the coffin: Forbes has uncovered a nasty new surprise for WhatsApp’s 2 billion users today. Security researchers has discovered an alarming security risk. Knowing a phone numer is suffizient, to allow a remote attacker to deactivate easily WhatsApp on a phone and then stop users getting back in. Even two-factor authentication will not stop this. Details may be read within this Forbes article.

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Edge-News: End of Legacy Edge, Problems with Updates, IE Redirection to Edge

Edge[German]As of April 13, 2021, Microsoft will remove Legacy Edge from newer Windows 10 builds. Could there be any problems? Another issue is the effect that Internet Explorer is immediately redirected to the new Edge at startup. In an omnibus post, I take up some of these issues around Edge.

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PSA: Watch your Exchange Patch status – 0 day vulnerabilities found, is the next Exchange disaster in sight?

[German]Ok, I think I got your attention with the headline. From what I heard, next Tuesday there will be some updates for Exchange Server. Why? Because three Exchange exploits were presented at the hacker conference Pwd2Own (6-8.4-2021). Maybe it would be a good idea to make sure that the Exchange servers are patched over the weekend to be able to start with updates in time.

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