Where did the breach take place? Providence Alaska Medical Center in Anchorage, Alaska.

How many victims? As many as 250 cancer patients seen between August 2005 and May of this year.

What kind of personal information? Names, birth dates, medical record numbers, referrals and diagnoses. Some data may have included Social Security numbers or addresses.

What happened? A laptop went missing at a conference for cancer doctors, but there is no evidence of theft.

What was the response? The hospital on Friday began calling affected parties.

Details: The hospital is trying to determine whether any policies were violated leading to the laptop's disappearance.

Quote: "We are very sorry for the concern that this will cause these patients." - Hospital spokeswoman Becky Hultberg

Source: "Hospital loses laptop with patient information," The Associated Press, Aug. 13.