Source: IRS Security – Schneier on Security
In addition to sending the IRS your money, you’re also sending them your data.
It’s a lot of highly personal financial data, so it’s sensitive and important information.
Is that data secure?
The short answer is “no.”
So we’re stuck. We have no choice but to give the IRS our data. The IRS isn’t doing a good job securing our data. Congress isn’t giving the IRS enough budget to do a good job securing our data.