International AI Safety Report 2025: Second Key Update: Technical Safeguards and Risk Management. - Yoshua Bengio; Stephen Clare; Carina Prunkl; Maksym Andriushchenko; Ben Bucknall; Philip Fox; Nestor Maslej; Conor McGlynn; Malcolm Murray; Shalaleh Rismani; Stephen Casper; Jessica Newman; et al. (CoRR, 2025)