Vulnerability Analysis
FortiGate CVE-2023-27997: Critical Heap Overflow in SSL VPN
A pre-authentication heap overflow in FortiOS SSL VPN allowed remote code execution on hundreds of thousands of internet-facing firewalls.
Jan 28, 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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What is Input Validation
Input validation stops malicious data at the door. See the CVEs — Equifax, Log4Shell, MOVEit — that prove why skipping it, or doing it wrong, is so costly.
Jan 28, 20266 min read
Vulnerability Analysis
What is Output Encoding
Output encoding neutralizes untrusted data before it reaches a browser or database -- the last line of defense against XSS, and most teams still get it wrong.
Jan 28, 20267 min read
Vulnerability Analysis
What is Input Sanitization
Input sanitization stops attacker-controlled data from executing as code. Learn how it works, how it differs from validation, and where it fails.
Jan 28, 20267 min read
Vulnerability Analysis
MOVEit Transfer CVE-2023-34362: The Zero-Day That Hit Thousands
The MOVEit Transfer SQL injection zero-day exploited by Cl0p ransomware gang became 2023's most impactful vulnerability. Here's the full technical analysis.
Jan 28, 20266 min read
Vulnerability Analysis
What Are Parameterized Queries
Parameterized queries stop SQL injection by binding user input as data instead of parsing it as SQL — here's how they work, and where they still fail.
Jan 28, 20266 min read
Vulnerability Analysis
Rails YAML deserialization RCE history and CVE-2013-0156 ...
A deep dive into CVE-2013-0156, the Rails YAML deserialization RCE that let attackers execute code via crafted requests, and how to remediate it.
Jan 26, 20268 min read
Vulnerability Analysis
CISA KEV Catalog: One Year Analysis of Known Exploited Vulnerabilities
After one year, the CISA KEV catalog has reshaped how organizations prioritize patching. Here's what the data tells us about real-world exploitation.
Jan 26, 20266 min read
Vulnerability Analysis
What is a Man-in-the-Browser Attack
Man-in-the-browser malware rewrites transactions inside a victim's own browser, bypassing TLS and OTP 2FA -- here's how it works and how to stop it.
Jan 26, 20267 min read
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