Important replies from above link:

So you’re saying that the merchant data has not been accessed? > It hasn’t. If you see, apache 2.2.14 – we’ve been live with apache 2.2.17 for last five months.

You’re also saying that merchant account passwords have not been stored as plain text? > They are encrypted, and not stored as plain text.

Have you ever been told that there is a security hole of some sort? > We are looking into this, and this is the intial report. From time to time what we get, I am sharing with you. As more information comes out as we investigate, we will share it.