Microsoft urges admins to plug severe Exchange security hole (CVE-2025-53786)Help Net Security·Aug 11, 09:43 UTC · Aug 11, 2025VulnerabilityCVE-2025-5378635
Exchange Online will soon start blocking emails from old, vulnerable on-prem serversHelp Net Security·Mar 28, 00:00 UTC · Mar 28, 2023Vulnerability30
How attackers target and exploit Microsoft Exchange serversHelp Net Security·Jun 25, 00:00 UTC · Jun 25, 2020VulnerabilityCVE-2020-068835
Federal agencies have to assess Microsoft Exchange servers by April 5Security Affairs·Apr 2, 10:58 UTC · Apr 2, 2021VulnerabilityCVE-2021-2685535
What Talos Incident Response learned from a recent Qakbot attack hijacking old email threadsCisco Talos·Jul 27, 12:00 UTC · Jul 27, 2022VulnerabilityCVE-2021-2685535
Crooks compromise Microsoft Exchange servers to hijack internal email chainsSecurity Affairs·Nov 21, 11:12 UTC · Nov 21, 2021VulnerabilityCVE-2021-26855CVE-2021-34473CVE-2021-34523+1 CVEs35
Microsoft rolled out emergency fix for Y2k22 bug in Exchange serversSecurity Affairs·Jan 3, 07:44 UTC · Jan 3, 2022Vulnerability30
Exchange 2016, 2019 support ends soon: What IT should do to stay secureHelp Net Security·May 30, 00:00 UTC · May 30, 2025Vulnerability30
Server-side attacks, C&C in public clouds and other MDR cases we observedKaspersky Securelist·Nov 2, 08:00 UTC · Nov 2, 2022Vulnerability30
Stellar unveils enhanced mailbox database repair software for Microsoft Exchange ServerHelp Net Security·Mar 19, 00:00 UTC · Mar 19, 2021Vulnerability30
Microsoft releases one-click Exchange On-Premises Mitigation ToolHelp Net Security·Mar 16, 00:00 UTC · Mar 16, 2021VulnerabilityCVE-2021-26855CVE-2021-26857CVE-2021-26858+1 CVEs35
Threat hunting in large datasets by clustering security eventsCisco Talos·Oct 4, 18:22 UTC · Oct 4, 2021Vulnerability30
Microsoft Exchange Autodiscover bug leaks hundreds of thousands of domain credentialsThe Record·Dec 14, 00:00 UTC · Dec 14, 2022Vulnerability30
Outlook for Web Bans 38 More File Extensions in Email AttachmentsThe Hacker News·Sep 26, 19:21 UTC · Sep 26, 2019Vulnerability30
Microsoft enforces defenses preventing NTLM relay attacksHelp Net Security·Dec 11, 00:00 UTC · Dec 11, 2024VulnerabilityCVE-2024-21413CVE-2023-23397CVE-2023-3656335
Researchers unearth keyloggers on Outlook login pagesHelp Net Security·Jun 17, 00:00 UTC · Jun 17, 2025VulnerabilityCVE-2021-26855CVE-2021-34473CVE-2021-34523+2 CVEs35
Mild to medium volume expected for February 2019 Patch TuesdayHelp Net Security·Mar 10, 13:34 UTC · Mar 10, 2019Vulnerability30
FBI: Millions in losses resulted from attacks against Healthcare payment processorsSecurity Affairs·Sep 15, 08:48 UTC · Sep 15, 2022Vulnerability30
ESET fixed two privilege escalation flaws in its productsSecurity Affairs·Sep 23, 17:44 UTC · Sep 23, 2024VulnerabilityCVE-2024-7400CVE-2024-6654135
Thunderbird 150 arrives with encrypted message search and OpenPGP improvementsHelp Net Security·Apr 21, 00:00 UTC · Apr 21, 2026Vulnerability30
Secure connections: how secure are they?Kaspersky Securelist·Mar 16, 16:45 UTC · Mar 16, 2007Vulnerability30
New Samba Bug Allows Remote Attackers to Execute Arbitrary Code as RootThe Hacker News·Feb 2, 03:56 UTC · Feb 2, 2022VulnerabilityCVE-2021-44142CVE-2021-44141CVE-2022-033635
Spike in Palo Alto Networks scanner activity suggests imminent cyber threatsSecurity Affairs·Apr 2, 07:29 UTC · Apr 2, 2025Vulnerability30
Hafnium Tied to Advanced Chinese Surveillance ToolsInfosecurity Magazine·Jul 30, 16:45 UTC · Jul 30, 2025Vulnerability130
Week in review: Keyloggers found on Outlook login pages, police shut down dark web drug marketHelp Net Security·Jun 22, 00:00 UTC · Jun 22, 2025VulnerabilityCVE-2025-6018CVE-2025-601935
Cryptojacking Group TeamTNT Suspected of Using Decoy Miner to Conceal Data ExfiltrationThe Hacker News·Mar 18, 05:01 UTC · Mar 18, 2023Vulnerability30
Chinese Hackers Infiltrate South American Diplomatic NetworksInfosecurity Magazine·Feb 14, 17:00 UTC · Feb 14, 2023Vulnerability30
Why XSS is still an XXL issue in 2021Help Net Security·Jun 15, 00:00 UTC · Jun 15, 2021Vulnerability30
How the SolarWinds Hackers Bypassed Duo's Multi-Factor AuthenticationSchneier on Security·Dec 15, 00:00 UTC · Dec 15, 2020Vulnerability30
Friday Squid Blogging: Antifungal Squid-Egg CoatingSchneier on Security·Jan 29, 08:02 UTC · Jan 29, 2020Vulnerability30
August 2019 Patch Tuesday forecast: Expect updates from Adobe, stay current on other updatesHelp Net Security·Aug 14, 06:38 UTC · Aug 14, 2019VulnerabilityCVE-2019-112535
Another Side Channel in Intel ChipsSchneier on Security·Sep 15, 00:00 UTC · Sep 15, 2019Vulnerability30
Hackers stole $60M worth of cryptocurrencies from Zaif exchangeSecurity Affairs·Sep 21, 05:25 UTC · Sep 21, 2018Vulnerability30
Tripwire IP360 now discovers more than 200,000 conditionsHelp Net Security·Feb 13, 00:00 UTC · Feb 13, 2019Vulnerability30
February 2020 Patch Tuesday forecast: A lot of love coming our wayHelp Net Security·Feb 11, 21:06 UTC · Feb 11, 2020Vulnerability30
Most SMB devices run Windows versions that are expired or will expire by January 2020Help Net Security·Jul 9, 00:00 UTC · Jul 9, 2019Vulnerability30
The Disdain exploit kit appears in the threat landscapeSecurity Affairs·Aug 15, 07:48 UTC · Aug 15, 2017VulnerabilityCVE-2017-5375CVE-2017-3823CVE-2017-0037+12 CVEs35
Precious Gemstones: The New Generation of Kerberos AttacksPalo Alto Unit 42·Jun 5, 17:10 UTC · Jun 5, 2024Vulnerability130