Read MoreAre you hack prone? Boss wants to know  In fact, he said health care is a good example of how more transparency is leading to better security initiatives.  Every data breach is now reported by law and it is already having the effect it is supposed to, he said.  "Health-care companies are investing more in cybersecurity protection. Our goal is to get more of that marketplace dynamic in the broader private sector," Chopra noted.  Just last week, health insurer Anthem announced the personal data of about 80 million customers and employees had been breached. When Sony was hacked last November, corporate emails and new movies were leaked.  "What you see in all these private attacks, it's someone making the errant mistake of clicking on something inappropriately disclosing their credentials and then having someone fake in as them and then taking all the data that person is otherwise entitled to," Chopra said.  Read MoreHacking led to a billion compromisedrecords  If employees can do a better job of presenting themselves as who they are digitally, it will be harder for hackers to succeed in those types of attacks, he said. "We need better security around passwords."  James Lyne, global head of security research at the cybersecurity firm Sophos, noted that the majority of cybercriminals are interested in making money. While credit cards may be the obvious target, other data can also be lucrative for hackers.  "The kinds of data we're seeing in these most recent breaches … could open up possibilities for very significant fraud, perhaps opening up a mortgage application in someone else's name using the combination of data and information like the loss of a Social Security number," Lyne said in an interview with "Power Lunch."  "There could be very significant financial and social damage as a result of this kind of data loss."  Those holding such valuable information need to do more to protect it, he added.  Ganesan thinks there should be security ratings for companies that hold personal information.  As for what sectors he thinks are vulnerable, he said he's worried about health care and utilities, "where the exposure to society is much higher" than sectors like retail.  —Reuters contributed to this report.
Despite recent high-profile attacks, not enough is being done to protect systems from hackers, venture capitalist Venky Ganesan warned.