Security
Security settings for a small organization (accounts, authentication, logs), and a breakdown of the vulnerabilities and patches that matter: what is exploited, what is urgent, what to do.
30 articles by topic
October 2026
4 articlesOctober 2026 Patch Tuesday: What to Install First in a Small Organization
October 2026 Patch Tuesday: an exploited Windows Shell flaw, a record number of fixes, two known issues and the end of Windows 11 24H2. The priorities.
Read the articleTLS certificates: 200, then 100, then 47 days of validity
Since 15 March 2026 a public TLS certificate lasts 200 days at most, then 100 days in 2027 and 47 days in 2029. The schedule and how to prepare.
Read the articleWindows Event Log IDs Worth Knowing
The Windows event IDs to watch in a small business: logons (4624, 4625), accounts, groups, lockouts, Kerberos, with PowerShell filters.
Read the articleSecuring Microsoft 365 and Google Workspace: Baseline Settings
MFA, admin accounts, legacy authentication, auto-forwarding, external sharing, backup and offboarding: the essential measures for a small business.
Read the article
Related tools and cheatsheets
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