Symmetric vs Asymmetric Encryption in Python: A Practical Guide
One key or two? A working comparison of Fernet and RSA in Python's cryptography library — with the OAEP-vs-PKCS1v15 mistake that still causes padding-oracle bugs.
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.
One key or two? A working comparison of Fernet and RSA in Python's cryptography library — with the OAEP-vs-PKCS1v15 mistake that still causes padding-oracle bugs.
Two chained Apache Airflow CVEs and a Rundeck YAML deserialization bug show how scheduler tools turn one flaw into unauthenticated RCE and persistent mining.
CVE-2026-40478 shows how a single tab character bypassed Thymeleaf's expression sandbox, turning misused templates into remote code execution.
AWS S3 buckets are private by default, yet public-bucket findings still top every cloud posture scan — because Terraform's own access-block resource defaults to open.
EPSS predicts exploitation probability for every CVE on a 0-1 scale, updated daily. Paired with CVSS, it turns a 1,000-ticket backlog into a short, defensible list.
Stripe gives you a 5-minute replay window and GitHub a raw-body HMAC — but most outages trace back to one bug: verifying JSON after it's been re-serialized.
AI agent skill marketplaces run installed code with your full permissions and no sandboxing — VS Code's 2025 extension attacks show exactly how that gets abused.
VS Code extensions run as trusted Node.js code with full disk and network access and no permission model to fall back on. Here is how to build one that does not become the next supply chain incident.
One CWE weakness class can spawn thousands of CVEs, and a single CVE can now carry two different CVSS scores at once — most teams still use the terms interchangeably.
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