Invasion on the Colony Ship

"PROXIMITY ALERT. DANGER TO THE SHIP. WARN ALL SYSTEMS. INVADERS. -ARES"One of the barely functional artificial intelligence systems on the Colony Ship Eschaton has sent a warning message. Who will receive it? What will happen? What has found the ship and why is an invasion happening? Can the people and systems inside of the Colony Ship confront this new foe? If so, how?
Book 9 of the Colony Ship Escahton series.