—in which scammers sendAttack.Phishingemails pretending to beAttack.Phishingfrom the IRS in order to trickAttack.Phishingpeople into divulging sensitive information—topped the list . “ We urge taxpayers to watch out for these tricky and dangerous schemes , ” acting IRS Commissioner David Kautter said in a March 5 warning to consumers . “ PhishingAttack.Phishingand other scams on the ‘ Dirty Dozen ’ list can trapAttack.Phishingunsuspecting taxpayers . Being cautious and taking basic security steps can help protect people and their sensitive tax and financial data. ” Threat researchers at Zscaler published a blog on March 15 outlining four new phishing schemesAttack.Phishingthey identified during this tax season , most of which used fake IRS websites to steal taxpayers ’ information . “ Cybercriminals have long used social engineering and phishing techniques to lureAttack.Phishingunsuspecting users into giving away private information , ” the researchers wrote . “ They track current trends and events to make their attacks more effective , and tax season offers a rich opportunity for attackers to disguise themselves asAttack.Phishingwell-known brands and even government agencies in an effort to exploit users. ” This tendency is on display with the “ chalbhai ” phishing attackAttack.Phishing, which uses a spoof of an outdated IRS form to trickAttack.Phishingusers into giving up their tax identification information , which can then be used to file false returns . While studying this campaign , researchers noticed the term “ chalbhai ” used in the source code . “ We have typically seen this tag associated with phishing pages that look likeAttack.PhishingMicrosoft Office 365 , Apple ID , Dropbox or DocuSign , ” Zscaler wrote . “ This is a good example of criminals adapting their phishing content to reflect current trends , ” i.e. , tax season . Another similar scheme directed users to a fake IRS page for unlocking expired passwords . Researchers noted this campaign was particularly tricky , as users were redirectedAttack.Phishingto a legitimate IRS page after giving up their information . “ With this page , ” they wrote , “ the attacker is attempting to prevent user suspicion by redirecting the user from this phishing page to a legitimate e-policy statement hosted on the actual IRS page… At this point , the victims believe they have completed the account unlock process and they proceed to log in on the legitimate page unaware that their information has been stolen. ” Researchers also found similar tactics used to get taxpayers ’ logins for tax preparer sites like TurboTax . In a fourth example , Zscaler researchers found an encrypted phishing page designed to mask their ill-intent from security measures . After a user downloads the page , it is decrypted within the browser , skirting some security checks . In all these examples , users could have avoided the scam by double-checking the URL in the browser , which all included additional characters before the .gov domain , indicating users were not actually at an official IRS site .