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Introducing Castle’s Research Team
How we think about research at CastleBot detection and fraud prevention are adversarial by default. It is a cat-and-mouse game: attackers iterate, defenders respond, and the cycle keeps moving.AI has accelerated this ...
Introducing Castle’s Research Team
How we think about research at CastleBot detection and fraud prevention are adversarial by default. It is a cat-and-mouse game: attackers iterate, defenders respond, and the cycle keeps moving.AI has accelerated this ...
What 2,000+ Professionals Told Us About the State of Java, AI, Cloud Costs, and the Future of the Java Ecosystem
In this year’s State of Java Survey & Report, more than 2,000 Java professionals told us Java is evolving, and AI is accelerating that shift. The post What 2,000+ Professionals Told Us ...
Defakto Security Named a 2025 Gartner® Cool Vendor™ in Identity-First Security
PALO ALTO, Calif. – November 13, 2025 —Defakto Security, the Non-Human Identity (NHI) security company formerly known as SPIRL, today announced it has been recognized as a Cool Vendor in Identity-First Security ...
Defakto Secures $30.75 M Series B to Set a New Standard in Non-Human Identity SecurityÂ
Led by XYZ Ventures, NHI platform positioned to secure every automated interaction across workloads, pipelines, AI agents, and multi-cloud environments PALO ALTO, CA – October 21, 2025 – Defakto, the Non-Human Identity ...
How we hire at Castle
We learned our hiring philosophy the hard way: by getting it completely wrong.After Y Combinator in 2016, we did what you're "supposed" to do. We raised capital. We scaled aggressively, hiring specialists ...
Improving Java Container Security with Chainguard and Azul
Chainguard provides hardened, zero-CVE container images (Chainguard Containers) that enable companies to achieve speed, security and scalability. Now, through a strategic partnership between Azul and Chainguard, Â Chainguard will build from source Java ...
Antoine Vastel is joining Castle as Head of Research
Bot detection is broken. Attackers have moved far beyond basic bot scripts—they’re leveraging AI, residential proxies, and sophisticated hybrid automation that easily defeats traditional detection methods. Yet many vendors still treat bot ...
Azul Achieves DORA Compliance
In December Azul announced that the integrated risk management practices for its OpenJDK solutions fully support the requirements of the European Union’s Digital Operational Resilience Act (DORA) provisions. The stability, resilience and ...
State of Java Survey Confirms Majority of Enterprise Apps Are Built on Java
Azul’s 2025 State of Java Survey & Report shows that the shift away from Oracle Java continues based on Oracle's employee-based pricing. The post State of Java Survey Confirms Majority of Enterprise ...

