Directors Desk is a Web application which allows members of Nasdaq to share documents, conduct online meetings and exchange information.

FORBES: Intelligence Agencies Interested In Nasdaq Cyber Attack

According to an un-named federal official, hackers have repeatedly breached a NASDAQ-owned, cloud-based application called Directors Desk for more than a year.

FORBES: NASDAQ Hackers May Have Targeted Board Data

Directors Desk enables its users to hold online board meetings where pivotal corporate data is shared among the attending board members in .pdf format.

FORBES: NASDAQ Hackers May Have Targeted Board Data

Nasdaq had said that its document sharing service, Directors Desk, was compromised but no data or documents were stolen, but the involvement of the National Security Agency in the investigation suggests that the attack on Nasdaq may have been more severe or sophisticated than previously thought.

FORBES: Intelligence Agencies Interested In Nasdaq Cyber Attack