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All technical articles, contextual analyses and source snippets in the shared magazine section.
Testing ransomware resilience: backup-RESTore exercises, immutable storage, and well-defined recovery RTO/RPO for admins
A green backup indicator does not guarantee recoverability. This practical guide shows how administrators can demonstrate ransomware resilience through RESTore exercises, immutable storage (WORM) and measurable RTO/RPO — including a test matrix, clean-recovery checks and stop criteria.
Unit tests with DUnitX: Mock dependencies via interfaces without compromising the project
How to build unit tests with DUnitX in Delphi, mock dependencies via interfaces, and keep domain logic cleanly separated from infrastructure — without test switches and without Uses chaos.
SAP and non‑SAP integration: IDoc, OData, files and message broker compared with typical error scenarios
When documents „don’t arrive“, it’s not only the interface that matters but the operational diagnostic capability. IDoc, OData, files and message brokers compared — with typical failure patterns and response patterns.
File locks in Windows: Safe writing with temp file, ReplaceFile and rollback on errors
Sporadic Sharing Violations, corrupted files after a crash, hard-to-explain support cases: How to build under Windows a robust write pattern with a temp file in the target folder, Flush, ReplaceFile and a defined rollback path.
Properly securing Microsoft 365: Conditional Access, MFA exceptions and break‑glass accounts in day‑to‑day operations
Conditional Access and MFA can be enabled quickly – in day-to-day operations, however, exceptions, emergency access and operational processes determine whether Microsoft 365 remains truly secure or whether you lock yourself out in the event of an incident. This article classifies typical scenarios and shows…
Properly Securing Microsoft 365: Conditional Access, MFA Exceptions, and Break-Glass Accounts in Everyday Operations
Conditional Access and MFA can be enabled quickly in Microsoft 365 — but in day-to-day operation the quality of exceptions, emergency access and operational processes determines security and support effort. This article shows how IT managers manage Conditional Access…
Log snippets: structured logs (JSON) with context (Request-ID) and minimal overhead
Wie bekomme ich strukturierte Logs als JSON mit Request-ID in einen REST- oder Windows-Service, ohne mir Performance, Datenschutz und Betrieb kaputtzumachen? Dieser Praxisbeitrag zeigt ein schlankes NDJSON-Pattern mit Kontext-Injektion, stabilen Feldern, gezieltem Debugging und…
PostgreSQL upgrade without downtime: Blue/Green, replication and rollback plan for production ERP databases
How to upgrade PostgreSQL in production ERP environments without downtime: Blue/Green approach, replication variants, cutover design and a robust rollback plan — with a focus on operations, interfaces and data consistency.
Hunting memory leaks: Using FastMM FullDebugMode strategically and interpreting stack traces correctly
FastMM FullDebugMode is one of the most effective tools against memory leaks in Delphi projects — but only if it is deliberately enabled, the reports are interpreted correctly, and common false assumptions are avoided. This practical article demonstrates a clean workflow from…
Zero Trust for mid-sized companies: network segmentation, device compliance and pragmatic roadmaps instead of buzzwords
Zero Trust in SMEs is not a tool purchase but an operational strategy: identities, device posture, network segmentation and auditable exceptions. This practical article shows how you can start in manageable stages, reduce ransomware risks and impacts…