Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

Traditional data loss prevention stops at detection. You get an alert. You know something happened. But you don't see the full picture. When a departing engineer downloads your entire codebase over the holiday break, you need more than a policy violation. You need to see what they were doing before that moment, where the data came from, and what happened after. You need context, timeline, and the ability to trace every action.

The exfiltration problem has evolved beyond what traditional DLP was designed to solve. Your employees work across personal AI assistants, multiple browsers, dozens of SaaS applications, and offline environments. They collaborate through Git, communicate via email clients, and store data on external drives. Each interaction represents a potential data loss vector—and legacy solutions can't see most of them.

When WorldLeaks claimed to have exfiltrated 1.4TB of Nike's corporate data—188,347 files containing everything from product designs to manufacturing workflows—the incident revealed something more significant than another headline-grabbing breach. It exposed a fundamental gap in how organizations approach data loss prevention. The breach reportedly included technical packs, bills of materials, factory audits, strategic presentations, and six years of R&D archives.

The acting director of America's Cybersecurity and Infrastructure Security Agency—the person tasked with defending federal networks against nation-state adversaries—triggered multiple automated security warnings by uploading sensitive government documents to ChatGPT. If this happened at CISA, it can happen at your organization too.

For years, data loss prevention has meant one thing: finding sensitive entities. Social Security numbers, credit card numbers, API keys—if you could pattern-match it, you could protect it. But this approach has always had fundamental limits. What happens when you need to protect customer IDs unique to your business? What about proprietary source code that doesn't contain any traditional PII?

Modern applications generate a constant stream of logs, some of which carry more information than they should. For too many organizations, logs include personally identifiable information (PII) such as customer names that were never meant to leave production systems. Teams try to limit this data exposure by using regular expressions to detect and obfuscate matches, only to discover that names like John O’Connor, Mary-Jane, Jane van der Meer, and A. García slip through.

DLP systems have traditionally relied on regex pattern matching to identify sensitive information. While regex excels at finding patterns, it fundamentally can’t understand context. It’s a massive limitation that forces security teams into endless cycles of tuning expressions and triaging false positives. Nightfall AI built prompt-based entity detection to solve this problem.

For years, data security has been divided into artificial categories. Data Loss Prevention (DLP) focused on enforcement. Data Security Posture Management (DSPM) focused on discovery. Insider risk management lived somewhere adjacent. And now, AI security has arrived as yet another bolt-on.