From the Reuters webpage:
“France’s cybersecurity agency ANSSI said on Tuesday it would stop certifying security products that lack quantum-resistant encryption, a move that will ​force government bodies and critical operators to shift away from older ‌systems. Samih Souissi, ANSSI’s chief of staff, said at the France Quantum conference that the agency would halt such certifications from 2027, and that businesses should be buying only quantum-safe products ​by 2030.

ANSSI approval is required for use in French government agencies ​and critical infrastructure, making the policy a de facto phase-out of ⁠older encryption.

‘It’s not only a technical issue,’ Souissi said. ‘It’s a matter of ​governance, industrial planning, regulation, and sovereignty.’

The move reflects concern that attackers may store ​encrypted data now and unlock it later when quantum computers become strong enough to crack today’s protections, a risk known as ‘harvest now, decrypt later.'”