In the third major cyber attack on U.S. government infrastructure this month, an internal federal reserve site was brought down as the first month of Anonymous’ “Operation Last Resort” draws to a close.

Anonymous began “Last Resort” in an attempt to avenge the loss of internet rights advocate Aaron Swartz, who committed suicide before facing prosecution last month. Both his family and Anonymous hold the government responsible for inflicting undo stress on Swartz and driving him to take his own life.

Though Anonymous gained the names and contact information of 4,000 bank executives from the internal site, the Federal Reserve has announced that no critical functions were disabled in the attack, which targeted a single internal page dealing solely with emergency Federal Reserve services in the event of a natural disaster. It is unknown whether Anonymous plans to use this data in a second attack or was experimenting in preparation for a larger attack.

Currently, Anonymous has shut down two Justice Department websites in their sustained campaign, the largest and most effective they have ever run. Each attack captured a significant amount of personal data, and the offense shows no signs of abating. Anonymous, as its name suggests, consists of several hundred thousand hackers and programmers who all function anonymously, so detection and arrest is virtually impossible. As of now, no private company websites have been involved and it’s unlikely that they shall be.