Building an authenticated, TLS-secured WebSocket server in Python
WebSockets skip same-origin checks by default — CWE-1385 exists because of it. Here's how to build one in Python with origin checks, TLS, and rate limits.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
WebSockets skip same-origin checks by default — CWE-1385 exists because of it. Here's how to build one in Python with origin checks, TLS, and rate limits.
Memory-safety bugs account for roughly 70% of high-severity CVEs in large C/C++ codebases at Microsoft and Google. Here's why, and what actually stops them.
A single undocumented API endpoint exposed 10 million Optus records in 2022. Here's how to find shadow APIs in production and assess their real exposure.
The OWASP API Security Top 10 dropped Injection entirely in its 2023 update and added SSRF — most REST and GraphQL teams still test for the old list.
A branch name like --upload-pack=/bin/sh isn't a string to Git — it's a flag. CVE-2017-1000117 and CVE-2017-1000116 show why that distinction matters.
SHAttered proved a SHA-1 collision for ~$110,000 in 2017. NIST retires SHA-1 entirely by Dec 31, 2030 — here's how to find and fix MD5/SHA-1 in your code now.
The jsonwebtoken library shipped three separate signature-bypass CVEs between 2015 and 2022 — algorithm confusion is still the most common way JWTs fail.
CVE-2023-44487 knocked grpc-go services offline with a Rapid Reset flood — a reminder that gRPC ships fast, insecure by default, and needs hardening at every layer.
OWASP has warned against localStorage tokens for years, yet it remains the default in countless SPA tutorials — one XSS bug is all it takes to exfiltrate every session.
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