Palo Alto Networks forecast current-quarter revenue and profit below estimates, sending its shares down 7 percent in premarket trading on Wednesday.
Symantec said it would buy privately held cybersecurity company Blue Coat for $4.65 billion in a cash deal.
The new BVP Cyber Index reveals the relationship between high-profile data breaches and IT security stocks.
Unlike an earlier version, the new law allows authorities to use digital information without regard to timeliness.
After the Senate passage of CISA, we turned to the Cyber Threat Alliance for some perspective on the bill.
Several cyber security firms reported finding a malicious program dubbed XcodeGhost that was embedded in hundreds of legitimate apps.
Palo Alto Networks reported its strongest revenue growth in 10 quarters and forecast better-than-expected growth in the current quarter.
Jim Cramer provides his take on halted trading at the New York Stock Exchange, and said we should have known it was going to happen.
Cyber security software maker Palo Alto Networks said it discovered a new family of malware affecting Apple's operating systems.
Strong earnings results from this company confirmed it remains best way to play cybersecurity right now, says CNBC's Jim Cramer.
Jim Cramer believes there’s always opportunity in the market. So what is he looking at next week?
The celebrity nude photo hacking is just the latest example of the Internet's vulnerabilities, says CNBC's Jim Cramer.
Not only is this company best-of-breed, its stock could soar some 15 percent or more, says CNBC's Jim Cramer.
Jim Cramer has been cautious of tech IPOs lately. But every rule has an exception.
I’m constantly searching for positive outliers, said Cramer. When you find one the gains can be enormous.
Jim Cramer said these two Dow stocks are to be avoided at all costs until the end of the year.
Palo Alto Networks CEO Mark McLaughlin says his company has developed the next generation security platform that is rapidly displacing legacy technologies of its competitors.
Some of the names on the move ahead of the open.
Is it a surprise that PC shipments are declining? No, but two things stand out: the magnitude of the decline was steeper than expected, and now the Asians have stopped buying. That's news.
Check out which companies are making headlines after the bell Thursday: