Dave Engberg knows a lot about security. Before he took the CTO spot at Evernote, he designed and developed credential validation systems for the U.S. government. If anyone in Silicon Valley knows the value of secure access and keeping information safe, it’s him.  Especially now, with publications like TechCrunch reporting breaches and attacks as soon as they happen, these types of events can crush a startup’s potential, especially if they are mishandled. Yet many companies don’t start thinking about building defenses until it’s way too late. After observing his fair share of incidents, and experiencing one firsthand earlier this year, Engberg wondered why there wasn’t a comprehensive guide for how startups should approach security at every stage — starting at the earliest.  With this in mind, he gave an exclusive talk at the recent First Round CTO Summit about security and the right way for growing startups to stay safe without needlessly expending valuable resources.