Context: In 1994, over a hundred intrusions were made by unidentified crackers into the Rome Laboratory, the US Air Force's main command and research facility. Using trojan horses, hackers were able to obtain unrestricted access to Rome's networking systems and remove traces of their activities. The intruders were able to obtain classified files, such as air tasking order systems data and furthermore able to penetrate connected networks of National Aeronautics and Space Administration's Goddard Space Flight Center, Wright-Patterson Air Force Base, some Defense contractors, and other private sector organizations, by posing as a trusted Rome center user.

Question: In what year did over a hundred intrusions made into the Rome Laboraroty?
Answer: 1994

Question: How were hackers able to obtain unrestricted access to Rome's networking systems?
Answer: Using trojan horses

Question: How were hackers able to penetrate connected networks?
Answer: by posing as a trusted Rome center user

Question: What is the Rome Laboratory?
Answer: the US Air Force's main command and research facility

Question: Who does the Goddard Space Flight Center belong to?
Answer: National Aeronautics and Space Administration

Question: What did the hackers obtain?
Answer: Unanswerable

Question: Why were the hackers untraceable?
Answer: Unanswerable

Question: Posing as a trusted Rome Center user what did hackers use?
Answer: Unanswerable

Question: Intrusion hackers were thought to be who?
Answer: Unanswerable

Question: How were hackers able to go undetected? 
Answer: Unanswerable

Question: Who were the crackers identified as?
Answer: Unanswerable

Question: When was the Rome Laboratory created?
Answer: Unanswerable

Question: What were the intruders unable to access?
Answer: Unanswerable

Question: What did the 1994 breach of the National Aeronautics and Space Administration's Goddard Space Flight Center also give the crackers access to?
Answer: Unanswerable

Question: What type of intrusion did the crackers use to gain access to Rome Laboratory?
Answer: Unanswerable