Help Net Security newsletters: Daily and weekly news, cybersecurity jobs, open source projects, breaking news – subscribe here!

Please turn on your JavaScript for this page to function normally.
Microsoft Exchange
MS Exchange zero-days: The calm before the storm?

CVE-2022-41040 and CVE-2022-41082, the two exploited MS Exchange zero-days that still have no official fix, have been added to CISA’s Known Exploited Vulnerabilities …

Microsoft Exchange
Two Microsoft Exchange zero-days exploited by attackers (CVE-2022-41040, CVE-2022-41082)

Attackers are leveraging two zero-day vulnerabilities (CVE-2022-41040, CVE-2022-41082) to breach Microsoft Exchange servers. News of the attacks broke on Wednesday, when …

danger
The 15 most exploited vulnerabilities in 2021

In 2021, threat actors aggressively exploited newly disclosed critical software vulnerabilities to hit a broad set of targets worldwide, says the latest advisory published by …

bug bounties
Microsoft asks bug hunters to probe on-premises Exchange, SharePoint servers

Bug hunters that discover and report high-impact security vulnerabilities in on-premises Exchange, SharePoint and Skype for Business may earn as much as $26,000 per eligible …

Patch Tuesday
March 2022 Patch Tuesday: Microsoft fixes RCEs in RDP client, Exchange Server

Microsoft marks March 2022 Patch Tuesday with patches for 71 CVE-numbered vulnerabilities, including three previously unknown “critical” ones and three …

Patch Tuesday
Microsoft fixes wormable RCE in Windows Server and Windows (CVE-2022-21907)

The first Patch Tuesday of 2022 is upon us, and Microsoft has delivered patches for 96 CVE-numbered vulnerabilities, including a wormable RCE flaw in Windows Server …

Microsoft
Microsoft vulnerabilities have grave implications for organizations of all sizes

Microsoft software products are a connective tissue of many organizations, from online documents (creating, sharing, storing), to email and calendaring, to the operating …

patch
Microsoft patches actively exploited Exchange, Excel zero-days (CVE-2021-42321, CVE-2021-42292)

It’s a light November 2021 Patch Tuesday from Microsoft: 55 fixed CVEs, of which two are zero-days under active exploitation: CVE-2021-42321, a Microsoft Exchange RCE, …

security platform
Datto SaaS Defense protects cloud-based applications for MSPs

Following its acquisition of Israel-based cyber threat detection company BitDam earlier this year, Datto debuted its SaaS Defense security product built exclusively for MSPs. …

Patch Tuesday
Microsoft patches actively exploited Windows zero-day (CVE-2021-40449)

On October 2021 Patch Tuesday, Microsoft has fixed 71 CVE-numbered vulnerabilities. Of those, only one was a zero-day exploited in attacks in the wild (CVE-2021-40449) and …

malware
91.5% of malware arrived over encrypted connections during Q2 2021

The latest report from the WatchGuard shows an astonishing 91.5% of malware arriving over encrypted connections during Q2 2021. This is a dramatic increase over the previous …

shield
Protecting your company from fourth-party risk

In a world that is becoming ever more interconnected, organizations are learning firsthand that they are not only vulnerable to the adverse events that their vendors …

Don't miss

Cybersecurity news
Daily newsletter sent Monday-Friday
Weekly newsletter sent on Mondays
Editor's choice newsletter sent twice a month
Periodical newsletter released when there is breaking news
Weekly newsletter listing new cybersecurity job positions
Monthly newsletter focusing on open source cybersecurity tools