Docker secrets management without Kubernetes: BuildKit, Swarm, and env vars compared
BuildKit's --secret flag shipped in Docker 18.09 in 2018, yet ENV and --build-arg leaks into image layers remain the most common way containers ship credentials.
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.
BuildKit's --secret flag shipped in Docker 18.09 in 2018, yet ENV and --build-arg leaks into image layers remain the most common way containers ship credentials.
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.
Samsung engineers leaked chip source code into ChatGPT three times in 20 days. Here's how to build DLP controls that stop the next leak before it happens.
picoCTF drew 39,000 players in 2019 across 160 countries — proof that gamified security training scales. Here's how to run the same model internally.
Standard Docker Hub images ship 50-60 known CVEs on average. Here's the checklist that gets containers from base image to runtime without carrying them along.
23,000+ repos were exposed when tj-actions/changed-files was compromised in March 2025 — pinned SHAs and OIDC would have stopped it cold.
Verizon's 2025 DBIR found the human element in ~60% of breaches. A practical playbook for training, champions programs, and incentives that actually change developer behavior.
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.
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.
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