Two recently-published books, "America the Vulnerable" by Joel Brenner, a former official at the National Security Agency (NSA) and "When Gadgets Betray Us," by writer and security analyst Robert Vamosi, have one theme in common: We've come to depend on modern networks and technology, but the compromise of them by attackers is a serious threat to both individuals and society as a whole.

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"America the Vulnerable" by Joel Brenner

In "America the Vulnerable," Brenner, formerly inspector general at the NSA and chief of counterintelligence for the director of National Intelligence, says his work over the years gave him "a hair-raising view of the incessant conflicts being waged in cyberspace — conflicts short of war but involving concerted attempts to penetrate our nation's information systems and critical infrastructure.

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