Rogue employees and hackers were the most commonly cited sources of data breaches reported during the first half of 2009, according to figures released this week by the Identity Theft Resource Center, a San Diego based nonprofit. The ID Theft Center found that of the roughly 250 data breaches publicly reported in the United States between Jan. 1 and Jun. 12, victims blamed the largest share of incidents on theft by employees (18.4 percent) and hacking (18 percent). Taken together, breaches attributed to these two types of malicious attacks have increased about 10 percent over the same period in 2008. Some 44 states and the District of Columbia now have laws requiring entities that experience a breach to publicly disclose that fact. Yet, few breached entities report having done anything to safeguard data in the event that it is lost or stolen. The ITRC found only a single breach in