The path traversal bug allows attackers to include arbitrary filesystem content in generated PDFs when file paths are not ...

December 2025 was a brutal reality check for security teams. While most were winding down for the holidays, threat actors weaponized a tectonic shift in the landscape, headlined by the... The post Top ...

A compromised n8n instance doesn’t just mean losing one system — it means handing attackers the keys to everything,’ security ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

Control theory is a branch of mathematics and engineering, which defines the conditions needed for a system to maintain a controlled output in the face of input variation. Classically developed for ...