Question: I need a fraud prevention tool that can guard against session hijacking, crypto fraud, and phishing scams.

If you want a fraud prevention service that's got everything, IronVest is a good option. It combines biometric authentication and distributed security technology to thwart session hijacking, cryptocurrency fraud, phishing attacks and other online attacks. It offers features like biometric authentication for secure login, password management, virtual credit cards and dual-factor authentication. IronVest also offers a free basic plan with some features and premium plans with more advanced security and support, so it's available for a range of situations.

Another serious option is IBM Security Trusteer, a cloud-based service that uses AI and machine learning to spot fraud in real time and assess identity risks. It offers continuous digital identity verification and malware protection so digital logon and transactions are secure. Compromised device detection and mobile risk assessment help Trusteer cut down on fraud and let businesses grow by keeping customers happy.

If you're an enterprise that needs serious threat intelligence and the ability to quickly take down problems, Netcraft offers a broad external threat intelligence service. It spots phishing attacks, fraud and other cyberattacks 24/7 through a combination of AI, machine learning and human expertise. It's designed to be modular so you can use as much or as little as you need, and it offers actionable threat intelligence and fast takedown options.

Sardine offers a fraud prevention and compliance service that spots and blocks a variety of fraud types, including identity fraud and account takeover. It uses deep device intelligence and behavioral biometrics to spot fraud patterns, and offers customizable rule sets and fraud expert support. It's geared in particular for banks, retailers and fintech companies that want to automate risk management and reduce fraud.