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Part of the delay, he said, was in getting details from the cloud company, which he declined to name.
Cybersecurity companies should be held to a higher standard than others in relaying information about hacks quickly and thoroughly, Mr. Toubba said.
The lessons learned from cyberattacks can be just as important as how a company responds to a breach, security chiefs say.
LastPass has also rolled out several security tools in its infrastructure, data center and cloud systems, Mr. Toubba said.