Online Safety for Children in Thailand: A Parental Guide

The quiet DoS bug in Cisco's email gateway hardening release

The quiet DoS bug in Cisco's email gateway hardening release Cisco's September 2026 hardening release for its email security appliances covers five CVEs.

• Critical DoS vulnerability CVE-2026-20353 identified in Cisco email gateway hardening release.
• Flaw affects Secure Email Gateway and Secure Email and Web Manager versions 15.5 and earlier.
• Resource management and deserialization issues lead to excessive system resource consumption.

2h ago ·dev.to

Vendor Concentration Risk Explained Through Warm Second Provider Invoice Reconciliation Drills

TL;DR: Keep a second usage-metering supplier warm by sending it a small, bounded stream of synthetic and replay-safe events, then reconcile both suppliers against an internal ledger.

2h ago ·dev.to

Job-Hunting With a Resume That Doesn't Look Like a Resume

My last article did numbers I didn't expect. A lot of the comments landed on the same line: "okay but did it actually get you hired?" No. Not yet.

2h ago ·dev.to

Senior Engineering is Not Making Code Work. It's Deciding How It Fails.

Senior engineers know a quiet truth that junior developers (and AI code generators) often miss: Writing code that works on the happy path is easy.

• Senior engineers focus on architecture to manage system failures.
• Fragile Cascade leads to system collapse due to unhandled errors.
• Sovereign Bulkhead contains failures, ensuring service continuity.

2h ago ·dev.to