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Phishing attacks spiked in late 2010

Attacks on targets in China responsible for increase

By , Network World
April 27, 2011 01:24 PM ET

Network World - Phishing attack spiked to 67,677 during the last half of 2010, up from 48,244 in the first half of last year, according to the "Global Phishing Survey 2H2010" report published today.

More on phishing: Phishing scams dupe the most active online users

The Anti-Phishing Working Group, which issues the bi-annual reports, says the increase is largely due to better information it now has about attacks on Chinese targets. That data was contributed by the China Internet Network Information Center (CNNIC), which operates the .CN domain registry, and is also the secretariat of the Anti-Phishing Alliance of China, with its 140 member institutions, such as Chinese banks, e-commerce sites, and domain registrars.

"We had only about 20% of the data they gave us," said Rod Rasmussen, co-author of the APWG report who is also president and CTO at Internet Identity, about CNNIC's research contributions related to phishing in China.

The history of .CN domains is that in December 2009, "new rules in China barred individuals from registering .CN domains, and required all potential registrants to present a paper application form with a copy of a company business license and a copy of the registrant's personal identification," the APWG report notes. The result is that "the .CN registry fell from 13.5 million in late 2009 to just 3.4 million in March 2001."

Although historically about 80% of phishing attacks around the world appear to have used the hacked Web servers of innocent domain registrants, "in contrast, the Chinese phishers prefer to register domain names and subdomains for their malicious work," the report notes.

"Phishing hadn't hit China until recently," explains Rasmussen, noting that about five years ago phishers in the U.S. and Europe also preferred to use registered domain names but over time realized "no one cares about the URL" and shifted more to breaking into Web sites.

By APWG's reckoning, there were 12,282 attacks on Chinese institutions in the second half of 2010, utilizing 6,382 unique domain names "plus a staggering 4,737 free CO.CC subdomains. Of the 6,382 domain names, just 487 looked hacked."

Out of the 12,282 attacks on Chinese institutions in the second half of 2010, about 75% of them targeted Taobao.com, the Chinese-language web site for shopping and auctions that is like eBay, the report states.

Wherever they may be, phishers also like to phish for the online credentials of those playing online games, mainly World of Warcraft and Battle.net, with about 18% of worldwide phishing attacks going after that group, in order to sell user game credentials on the black market

Another indicator measured by the report is the average and median uptimes of phishing attacks. According to the Global Phishing Survey 2H2010, that rose to an average uptime of 72 hours, "the longest average for any time period since we began our uptime measurements three years ago," according to the report. The median uptime of a phishing site was 15 hours and 19 minutes.

Uptime matters because the "the longer a phishing attack remains active, the more money the victims and target institutions lose. The first two days of a phishing attack are believed to be the most lucrative for the phisher, so quick take-downs are essential," says the report. 

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