Rebekah Brooks said her thoughts were with her former colleagues who face future trials as she spoke on the steps of her North London home.
She said: "I have to be careful for my former colleagues sake what I say" she said.
She added that her thoughts were with them as they face trials in the future.
Her husband Charlie Brooks, who was cleared alongside his wife, said he concerned about former News of the World editor Andy Coulson who was found guilty of phone hacking.
He said: "Obviously I am really concerned for Andy and (his wife) Eloise and their family."
The father of a July 7 bombings victim told ITV News he was taken "back to that time" when he was told his phone may have been hacked.
Sienna Miller has exclusively told ITV News that being a victim of phone hacking damaged her "personally", her relationships and her career.