Software security suffers as upstarts lose access to virus data

By Joseph Menn SAN FRANCISCO (Reuters) - A number of young technology security companies are losing access to the largest collection of industry analysis of computer viruses, a setback industry experts say will increase exposure to hackers. The policy change at the information-sharing pioneer VirusTotal takes aim mainly at a new generation of security companies, some with valuations of $1 billion or more, that haven't been contributing their analysis. Alphabet Inc's Google runs the VirusTotal da