Scammers will do whatever they can to get information even pretending to be from the IRS. However, the IRS says they will never call or email you and demand your social security number or a birthdate. They also warn you against giving out that info, Once it gets into the wrong person hands they could also get your tax refund.Keep your computers and your mobile phones secure.
To avoid form getting hacked of your tax information, ALWAYS use antivirus software and strong passwords. When you're shopping online, make sure you're on sites with "https" in the URL.
Remember, the IRS will never ask you to purchase gifts cards or wire money to them. the IRS will send you U.S. mail on official letterhead to alert you of any real issues with your taxes.