Everyone knows they are being targeted. They would have no reason to even put a press release together if they weren't breached. The first three paragraphs are

Everyone knows they are being targeted. They would have no reason to even put a press release together if they weren't breached. The first three paragraphs are basically "we are under attack" then "it's an advance attack" then "we're investigating the attack." No one implies that how successful the attack was until the first sentence. This doesn't seem like they are minimizing or attempting to cover up the damage.