The US has released its national cyber strategy. It puts an emphasis on deterrence, and domestically it's been generally well-received, with favorable comment by experts who worked in the previous Administration: they and others see both continuity and evolution toward a clearer, more active policy in cyberspace. The strategy has four "pillars": "Protect the American People, the Homeland, and the American Way of Life;" " Promote American Prosperity;" " Preserve Peace through Strength;" and "Advance American Influence." Each pillar is explained in terms of specific measures.

The Ministry of Defence and GCHQ are establishing a 4000-person unit to protect the UK against Russian cyber operations.

Tech Bureau Corp disclosed that roughly $60 million in cryptocurrency had been looted from its Tokyo exchange. The hack occurred over two hours on September 14th, was detected on September 17th, and was confirmed and reported to authorities on the 18th. The company had been under some regulatory pressure to improve security; a new investment round, it says, will help it reimburse those who lost alt-coin and tighten safeguards against theft.

Google confirmed yesterday that it had notified some Senators that their Gmail accounts and those belonging to their staffers had been targeted by foreign intelligence services. There's been no public attribution of which intelligence services were involved, but the warning has prompted several Senators to complain that the Office of the Sergeant at Arms has said helping secure personal email accounts (like Gmail accounts) isn't within the scope of its responsibilities. Government accounts, sure, Gmail, no.