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Mandiant: Dangerous MS Outlook zero-day widely used against Ukraine

By Alex Scroxton 16 Mar 2023

A zero-day vulnerability in Microsoft Outlook that was fixed in the March Patch Tuesday update has likely been actively exploited by Russian actors for a year or more, and its use will now spread rapidly Read More

Cozy Bear targets MS 365 environments with new tactics

By Alex Scroxton 19 Aug 2022

Cozy Bear, or APT29, is trying out new tricks as it seeks access to its targets’ Microsoft 365 environments Read More

Google, MS, Oracle vulnerabilities make November ’22 a big month for patching

By Alex Scroxton 07 Dec 2022

Vulnerabilities affecting the likes of Google, Microsoft and Oracle proved particularly troublesome in November Read More

MS Azure Synapse vulnerability fixed after six-month slog

By Alex Scroxton 14 Jun 2022

Microsoft patched a critical Azure Synapse vulnerability twice, but each time the researcher who discovered it was able to bypass it with ease, leading to a lengthy saga Read More

NSA unearths more MS Exchange vulnerabilities

By Alex Scroxton 14 Apr 2021

Microsoft patches more critical vulnerabilities in Exchange Server a month after the ProxyLogon incident, after being warned by the US National Security Agency Read More

Half of MS Exchange servers at risk in ProxyShell debacle

By Alex Scroxton 24 Aug 2021

Up to 50% of MS Exchange users in the UK are exposed to three vulnerabilities that are now being actively exploited Read More

Mandiant: MS Exchange bugs first exploited in January

By Alex Scroxton 05 Mar 2021

Analysis from technical teams at FireEye’s Mandiant tracked activity exploiting newly disclosed vulnerabilities in Microsoft Exchange Server more than a month ago Read More

What's the difference between UC-certified and MS-certified?

By Andrew Froehlich 14 Oct 2020

Both UC-certified and MS-certified products are available to enterprises. But one designation carries more weight than the other, our expert writes. Read More

UK, US confirm Chinese state backed MS Exchange Server attacks

By Alex Scroxton 19 Jul 2021

UK and US governments, alongside the EU and Nato, have formally attributed the March 2021 Microsoft Exchange Server attacks to Chinese state-backed actors Read More

Emergency patch addresses MS Exchange Server zero-days

By Alex Scroxton 03 Mar 2021

Microsoft releases an emergency patch to address multiple zero-day exploits directed at on-premise installations of Exchange Server Read More