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The ongoing Israel and Arab Internet feud continues. Now a hacker who says he is acting "in defense of Israel" released 100,000 log-in credentials of allegedly Arab Facebook users, according to reports from Computer World.

The hacker, who goes by "Hannibal," posted the credentials to Pastebin on Saturday, and also made all details available through 14 sharing sites, including mediafire.com, sendspace.com, wupload.com and zshare.net.

"Jewish people named me as the general of Israel's hackers," writes Hannibal on the Pastebin site. "I have about 30 million email accounts, 10 million bank accounts, 4 million cerdit cards of Arabs from all over the world."

The latest strike in the little cyber war between Israel and the Saudi hacker group xp-group, led by 0xOmar, has taken the form of an Israeli hack of Saudi credit cards, according to Ynet.

An Israel hackers told Ynet, "If the leaks continue, we will cause severe damage to the privacy of Saudi citizens."

After a cyber-attack by a hacker claiming to be Saudi, Israel has vowed a strong response.

"(Such an attack is) a breach of sovereignty comparable to a terrorist operation and must be treated as such," Deputy Foreign Minister Danny Ayalon said in a speech quoted by BBC . "Israel has active capabilities for striking at those who are trying to harm it, and no agency or hacker will be immune from retaliatory action."

After releasing 15,000 credit card numbers hacked from an Israeli website on Tuesday, the Saudi hacker known as 0xOmar has released 11,000 more today. He has threatened to release a further one million.

The hacker broke into a popular Israeli sports site, making off with hundreds of thousands of accounts' worth of personal information, including some credit card numbers.

The Renesys blog reports "significant but sporadic Internet outages in the Palestinian Territories today. As many as half of the routed networks of the Palestinian Territories were unreachable (withdrawn from the global routing table)."

Both the Washington Post and the BBC have reported a possible hack on the Palestinian communications sector.

Cybercrime is booming business. According to Symantec's newest Norton Cybercrime Report, the money involved with digital attacks is now almost as lucrative as the illegal drug trade - $388 billion last year. That includes productivity lost to cyber attacks, money corporations and individuals use to thwart cybercrime and direct cash losses associated with viruses, malware and identity theft.

Norton says that 73% of adults in the United States have experienced cybercrime in their lifetime. That seems low. If you use the Internet, you navigate phishing scams, viruses, spam and poisoned search results on a daily basis. Are the cybercriminals winning?

Criminal and black hat hackers beware - If the U.S. government finds you, it is not going to be lenient.

The stakes are rising in the world of cybersecurity and the Obama administration is not taking it lightly. The White House has proposed to congress an increase in maximum jail time for criminal hackers whose acts are "potentially endangering national security" from 10 to 20 years, according to Reuters. With Anonymous and Lulz Security bouncing around hacking seemingly anything they want, the government is pounding its gavel with one of only powerful rhetorical messages - sticking criminals in the deepest, darkest dungeon for as long as possible.

Cyberattacks are part of the defense landscape and have been for a while. Among the more high-profile instances in the last year are the Stuxnet attack by the U.S. and Israel on Iranian nuclear facilities, the attacks by the Chinese government on Google and even a hack of a Pentagon project.

Now, the Wall Street Journal says a soon-to-be-released Pentagon policy document will announce officially that a cyberattack can be a jus ad bellum, or act of war.

An intriguing new project to measure cyber-security risks has launched. The Index of Cyber Security, run by Dan Geer and Mukul Pareek, seeks to deal with the quick change of specific security threats by establishing a consensus among security professionals, using what they call "sentiment-based" metrics.

The index starts out at base 1,000 and increases or decreases based on active threats. The report is monthly. The inaugural report, for April, gives a cyber-security threat index of 1,021.6.

There is no single "cyber-war" taking place today. Rather, there are hundreds of brushfire wars taking place online. One of the latest is the Pakistan Cyber Army's attacks on at least 116 Indian sites, according to The Hacker News.

There has been a long history of conflict between Pakistan and India, with the most recent being Indian anger at the alleged Pakistani involvement in the 2008 Mumbai attacks that left over 100 dead and over 300 wounded.