The U.S. government announced on Tuesday sanctions against two companies that acquire and resell zero-day exploits, as well as sanctioning their founders and their associates. Officials with the U.S. Treasury told TechCrunch that the government was imposing sanctions against the brokers of zero-days — security vulnerabilities in software that are unknown to its developer but can be abused to hack people — as they pose a threat to U.S. national security, foreign policy, and economy. The first san...