Bill Evanina said he had seen "no indication...that anything has changed."
A congressional advisory body says retaliating would make hacks more costly to perpetrators.
The music streaming app kept victims in the dark despite leak last week.
The hacking compromised information in 83 million household and small business accounts.
Keys faces up to 25 years in prison after being found guilty of providing passwords for Anonymous hackers to alter articles on the Los Angeles Times's website.
Malicious iPhone and iPad programs identified.
Hackers can watch video from baby monitors and remotely disable them, says report.
Noel Biderman reaches a mutual agreement with Avid Life Media to step down.
On Wednesday, the U.S. military killed the British-born cyber expert in an airstrike.
Brian Krebs says a Twitter user Thadeus Zu had a link to the data early.
Many states have consumer protection laws that could put hacked companies on the hook.
The Ashley Madison hack and subsequent data dumps trigger a plethora of privacy laws.
There is a $500,000 reward for information leading to the arrest of people involved in the hack.
Media outlets are grappling with how much information to report from the data dump of AshleyMadison.com users' sensitive information.
Hackers dump 9.7 gigabytes of data on dark web, including account and credit card details.
Nine people were indicted on charges of an insider trading scheme.
Group calling itself "the Impact Team" says a $19 profile-erasing service doesn't work.
Data on as many as 4.5 million individuals was potentially at risk, UCLA Health said.
An interactive map by Norse, a threat intelligence firm, visualizes the global cyberwar in real time.
Katherine Archuleta's resignation came amid a massive security breach of the U.S. Office of Personnel Management.
Chinese hackers accessed more than 21 million employees' personal information.
The trial of Sergei Maksimov, a.k.a. Hacker Hell, offers a rare glimpse into Russia's internal cyberwars.
The hack could expose an estimated 18 million current, former and prospective federal employees to threats and blackmail, officials said.
Hacking Team reportedly has contracts with U.S. law enforcement as well.
This hacking group has repeatedly accessed data that could be useful to Chinese counter-intelligence and internal stability.
The hackers allegedly aimed to get personal-identity information.