CyberSecurity

October’s Record Patch Tuesday: 1,411 Flaws, 3 Zero-Days and a New Way to Triage

Guava Systems Editorial Team

October 21, 2026

More from CyberSecurity

Amber and navy woodcut illustration of an envelope, broken hook and protective shield.

Microsoft Disrupts EvilTokens Phishing Service

Guava Systems Editorial Team

September 22, 2026

AI Cybersecurity for Business: What the Latest Threat Report Means for Microsoft 365

Guava Systems Editorial Team

September 12, 2026

Padlock beneath an illustrated cloud with upward data-transfer arrows.

Securing Microsoft 365: The First Controls Your Business Should Review

Guava Systems Editorial Team

September 10, 2026

Cloud with stacked data symbols and a padlock illustrating protected data transfer.

Could Your Business Recover Its Microsoft Cloud Data? Questions to Ask Before an Incident

Guava Systems Editorial Team

September 10, 2026

Shield and padlock protecting business email and servers.

Microsoft Identifies New Cyberattack Exploits Issues, Patches for On-Premises Exchange Servers

Guava Systems Editorial Team

March 3, 2021

Shield and padlock protecting business email and servers.

Office 365 Advanced Threat Protection service description

Guava Systems Editorial Team

January 19, 2020

Shield and padlock protecting business email and servers.

Responding to a Compromised Email Account in Office 365

Guava Systems Editorial Team

December 13, 2019

Mail servers, a settings gear and an administration panel.

Message trace in Exchange Online and the Microsoft Defender portal

Guava Systems Editorial Team

December 13, 2019