HTTP request smuggling: Content-Length vs Transfer-Encoding
Request smuggling happens when a proxy and a server disagree about where a request ends. What RFC 9112 says about the two headers and how to configure safely.
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.
Request smuggling happens when a proxy and a server disagree about where a request ends. What RFC 9112 says about the two headers and how to configure safely.
HSTS tells browsers to use HTTPS only for your site. How the Strict-Transport-Security header works, what max-age does, and what it cannot protect.
A hardware security module protects keys and runs crypto on a tamper resistant chip. See what it does, the FIPS 140 levels and why cars use one.
An abuse case describes how a feature could be used in a way nobody intended. Write it as an attacker user story, rate it, and turn it into a test.
A remediation SLA policy sets fix deadlines by risk. Here is how to define tiers, start clocks, handle exceptions and report compliance fairly.
A security.txt file tells researchers how to report a vulnerability. RFC 9116 requires Contact and Expires, and it belongs at /.well-known/security.txt.
A template for reviewing an AI mishap: timeline, what the system did, which controls failed, and actions. Includes what to log so you can write it.
Headlines say a bug is exploited in the wild. Check the vendor advisory, the CISA catalog, who observed it and what was seen before raising your priority.
Sort vendors into three risk tiers using data sensitivity, access and business impact, then match the review depth to each tier. A practical method.
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