Security Guides
A checklist for sideloading Android apps safely
Install an APK without regrets: confirm the source, check the hash, limit the install permission, review prompts and plan updates, in eight steps.
Oct 18, 20263 min read
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Supply Chain Security, in plain English.
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.
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Should you use hybrid post-quantum key exchange or ML-KEM alone?
Hybrid key exchange combines a classical and a post-quantum scheme. What NIST says about the tradeoffs and how to decide between hybrid and ML-KEM alone.
Oct 18, 20263 min read
Security Guides
Should you turn off remote access on smart devices?
Remote access lets you reach a smart device away from home, and it widens exposure. When to switch it off, and how to keep it safer if you need it.
Oct 18, 20264 min read
Security Guides
Should you publish a vulnerability you found? A decision guide
Before posting a vulnerability, ask: did you report it, is there a fix, is it exploited, who is exposed, what does policy say, and what is the legal risk.
Oct 18, 20264 min read
Security Guides
Should you pay a ransom? What the US and UK governments say
US and UK authorities both discourage paying ransoms. Their stated reasoning, and what a decision record should contain if payment is ever raised.
Oct 18, 20263 min read
Security Guides
Should you disable TLS 1.0 and 1.1? What the RFCs say
Yes. RFC 8996 deprecated TLS 1.0 and 1.1 in 2021. Here is why, how to check what your servers still accept, and what to do about old clients.
Oct 18, 20263 min read
Security Guides
Should you delay patching vulnerabilities that are not reachable?
A decision guide for unreachable findings: when deferring the upgrade is reasonable, when to patch anyway, and what to write down when you wait.
Oct 18, 20263 min read
Security Guides
Verify Shopify webhooks: HMAC steps, retries and duplicates
How a Shopify app verifies webhooks with X-Shopify-Hmac-SHA256 and the raw body, plus response limits, retry behavior and deduplication by webhook ID.
Oct 18, 20263 min read
Security Guides
Shellshock: why a shell treated environment variables as code
Shellshock (CVE-2014-6271) let attackers run commands via crafted environment variables in Bash. How it reached web servers, SSH and DHCP clients.
Oct 18, 20263 min read
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