Application Security
LDAP injection: a technical primer and defense guide
LDAP injection is CWE-90, dates to the same root cause as SQL injection, and still shipped in production software as recently as CVE-2023-0476.
Jul 8, 20266 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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Secure JWT handling: algorithm confusion, expiry, and storage done right
A single unchecked `alg` header turned jsonwebtoken into a forgeable token in CVE-2015-9235 — here's how to close every hole RFC 8725 warns about.
Jul 8, 20266 min read
Application Security
Wiring dependency and SAST scanning into your JavaScript CLI workflow
npm audit has shipped for free since npm 6 in 2018, yet most JavaScript teams still find out about vulnerable dependencies in a Slack alert, not a failed commit.
Jul 8, 20267 min read
Application Security
Java SecurityManager is gone: a practical migration guide
JEP 411 deprecated the Security Manager in JDK 17; JEP 486 disabled it outright in JDK 24, released March 18, 2025. Here's how to migrate before it's removed for good.
Jul 8, 20267 min read
Application Security
Bytecode vs. source analysis: static analysis techniques for Java and Kotlin
SpotBugs scans compiled .class files for 400+ bug patterns; Semgrep parses source directly. Neither alone would have caught CVE-2015-7501 fast enough.
Jul 8, 20265 min read
Application Security
Identifying memory safety bugs with Valgrind
Valgrind's Memcheck catches use-after-free, leaks, and buffer overruns in unmodified C binaries — at the cost of running your program 10-50x slower.
Jul 8, 20266 min read
Application Security
Hardening HTTP/2 against protocol-level DoS attacks
HTTP/2 Rapid Reset hit Google with 398 million requests per second in 2023 — a single protocol quirk, not a bug in any one server, drove the largest DDoS ever disclosed.
Jul 8, 20266 min read
Application Security
Designing an application security program from first principles
Two backdoors nine years apart — event-stream in 2018, XZ Utils in 2024 — show why code-only AppSec programs fail. Here's a four-layer framework built from scratch.
Jul 8, 20267 min read
Application Security
Command injection in Go: os/exec, exec.Command, and how it still goes wrong
Go's exec.Command never invokes a shell — yet CWE-78 command injection keeps shipping in Go services. Here's exactly how, and how gosec's G204 rule catches it.
Jul 8, 20266 min read
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