You work hard for your money (cue Donna Summer tune from 1983...) and you (and/or your spouse, accountant, tax service, accounting major nephew, etc.) work even harder to make sure you get to keep as much of that money as possible after paying taxes.

Don't let a devious cybercriminal make it all for nothing. Our friends at NerdWallet have compiled the following up-to-the-minute advice for keeping fraudsters at bay this tax season.

Identity theft continues to be a booming business: In 2014, 17.6 million Americans fell victim, and cybercriminals made off with $15.4 billion. And tax refund theft remains a lucrative piece of that business, despite the IRS' efforts to stamp it out.

How do hackers do it? In one scam, they filed bogus returns with information harvested from the IRS' own files or by using Social Security numbers.

Then they waited for the direct-deposit refunds to flow in. Victims usually didn't know anything was wrong until the IRS refused to accept their tax returns.

Here are some of the defenses that the IRS, state tax agencies and the e-filing industry are building to combat scammers:

Quicker responses to warnings. Thanks to technological enhancements, the IRS now receives warnings if a large number of returns come from a single computer address within a short period of time.

Delaying refunds. This allows the IRS time to recognize that more than one return has been filed for the same Social Security number. Previously, the IRS issued e-file refunds seven to 10 days after it received a return. The new target is 21 days.

Earlier filings of W2 forms. Businesses had been required to issue wage and payment statements to workers by Feb. 1, but didn't need to file them with the IRS until June. Now both will be due by Jan. 31.

Sharing information: Intuit, which makes TurboTax, and H&R Block have agreed to share more information more promptly with the IRS about filings they consider suspicious.

Safety begins at home, of course. The IRS also has advice for taxpayers on identifying — and more importantly, avoiding — tax refund fraud:

Always use security software with firewall and anti-virus protections, as well as strong passwords.

Learn to recognize phishing emails, calls and texts from thieves posing as legitimate organizations, such as your bank, credit card company and even the IRS. The IRS will never try to contact you via phone or email.

Don't click on links or download attachments from emails if you don't recognize the sender.

Protect your personal data. Don't routinely carry your Social Security card, and make sure your tax records are secure.

If you think someone used your information to file a return, contact the IRS immediately. Specialists will help you file your tax return, receive any refund you're due, and protect your account from identity thieves in the future.

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