Have you checked out the IRS website?
Lacerte does not specifically help with this. https://proconnect.intuit.com/taxprocenter/practice-management/cybersecurity-basics-for-the-tax-prac...
IRS has a great deal of help. https://www.irs.gov/newsroom/security-summit-releases-new-data-security-plan-to-help-tax-professiona... https://www.irs.gov/tax-professionals/tax-security-2-point-0-the-taxes-security-together-checklist https://www.irs.gov/pub/irs-pdf/p5708.pdf
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