Industry Analysis
In-depth guides and analysis on industry analysis from the Safeguard engineering team.
100 articles
Expression Language Injection (ELI) in Java Applications
Expression language injection in Java has powered some of the decade's worst breaches, from Equifax to Confluence. Here's how OGNL and SpEL flaws actually get exploited.
DOM-Based XSS: Client-Side Sink Vulnerabilities
DOM-based XSS sink vulnerabilities let attacker data reach dangerous JavaScript sinks without touching the server, slipping past WAFs and static scanners.
Prototype Pollution in JavaScript Applications
Prototype pollution has hit lodash, jQuery, and minimist with real CVEs, from DoS to RCE. Here's how the bug works and how Safeguard catches it before it ships.
ReDoS: Regular Expression Denial of Service Attacks
ReDoS took down Cloudflare's global network for 27 minutes in 2019 and Stack Overflow in 2016. Here's how one bad regex causes an outage, and how to catch it first.
Code Injection via eval() and exec() Across Languages
eval() and exec() turn dynamic code execution into remote code execution. A cross-language look at how it happens in Python, JS, PHP, and Ruby.
Broken Object Level Authorization (BOLA/IDOR) in APIs
BOLA/IDOR has topped the OWASP API Security Top 10 since 2019. Here's how USPS, Peloton, and Parler got breached by it—and how to catch it before you do.
Broken Object Property Level Authorization (BOPLA)
BOPLA (OWASP API3:2023) lets APIs correctly check object access while leaking or accepting the wrong fields. Real breaches show why it's so hard to catch.
Broken Function Level Authorization (BFLA) in APIs
BFLA lets a regular user call admin-only API functions. Here's how the USPS, Peloton, and Coinbase incidents happened — and how to catch it before attackers do.
Unrestricted Resource Consumption in APIs
API4:2023 shows how a single unbounded request—GraphQL depth, a ReDoS regex, an unthrottled upload—can take down an API or run up a cloud bill.
Unrestricted Access to Sensitive Business Flows
OWASP's API10:2023 category covers a threat scanners can't see: bots abusing legitimate business flows like checkout and ticketing at scale. Here's how it works.
Unsafe Consumption of Third-Party APIs
Third-party APIs get trusted more than user input ever would — and attackers know it. Real breaches from Polyfill.io to 3CX show why that trust is misplaced.
Security Misconfiguration in APIs
Optus, T-Mobile, Peloton, and USPS were all breached through misconfigured APIs, not exploits. Here's what causes it, what it costs, and how to catch it first.
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