CERT-In has warned users, SMEs of the upcoming COVID-19 theme massive cyber threats with tips to stay safe: 1. Beware of emails from firstname.lastname@example.org; report any unusual activity to email@example.com 2. Scan inbox regularly, avoids opening unsolicited attachments, URLs, even from known sources. 3. Mails with offers, spelling errors, etc can be malicious. 4. Do not enter private info/login details on unverified websites.