What Is Vishing?
Vishing—or voice phishing—is the use of fraudulent phone calls to trick people into giving money or revealing personal information. It's a new name for an old problem—telephone scams. Vishing frequently involves a criminal pretending to represent a trusted institution, company, or government agency. You may be asked to buy an extended warranty, offered a "free" vacation, told your computer is infected and you need anti-virus software, or asked to donate to charity.
COVID-19 and Vishing
Scammers and fraudsters are trying to take advantage of the coronavirus pandemic to trick people with messaging that pretends to be from government or health agencies, hospitals, or insurers. Some calls may use a fake caller ID to appear more legitimate. See Coronavirus Scams for details on COVID-19 scams and fraud, as well as links to helpful sources of reliable information.
Learn to Catch a Vish
Scammers or "vishers" often offer exaggerated or fake prizes, products, or services. They then ask for your credit card number or other personal information to get you to pay for associated fees or more. Watch out for:
Offers from companies you do not do business with and/or have not heard of.
An announcement that you have won a prize in a contest you did not enter.
Promises of unrealistic returns for your money.
Pressure to make immediate decisions to give the caller what they want, which may include:
Money
Financial account information
Personal information
Organizational information, including names and contact information of coworkers at the university
Threats of consequences—such as fines or penalties—if you don't provide money or information.
Unprofessional, hostile, or even obscene language.
Unsolicited calls offering to help you with debt, unpaid taxes, or previous cases of fraud.
Learn more about these and other signs of a scam at Federal Trade Commission (FTC): Phone Scams.
Protect Yourself from Voice Phishing
If a caller claims to be from an institution you do business with, such as your bank, and they ask for personal information (account numbers, Social Security numbers, and so on), hang up, find that institution's phone number, and call them. If the call you received was fraud, report it!
Do not pay fees for prizes or rewards offered by phone.
The IRS will never ask you for debit or credit card numbers by phone or demand immediate payments using specific methods, such as prepaid gift cards, debit cards, or wire transfers. The IRS will generally contact you first via U.S. Mail.
Do not send money or give out personal information (such as credit card numbers and expiration dates, bank account numbers, dates of birth, or Social Security numbers) in response to unsolicited phone calls from unfamiliar companies or unknown persons.
Don't trust caller ID. Phone numbers and caller identities can be faked. There have been reports of forged phone numbers from U-M, government offices, and other businesses and institutions.
Add your phone number to the National Do Not Call Registry to reduce unwanted sales calls.
Follow this guidance from the FTC:
See these Safe Computing pages about specific scams:
Report Phone Scams/Vishing
Calls to or from U-M phone numbers. You can report these to the U-M Division of Public Safety & Security. See Nuisance/Malicious Telephone Call Guidelines.
Other calls. You can report phone scams, identity theft, and more to the FTC using the FTC Complaint Assistant.
Original Text: https://safecomputing.umich.edu/tips/tech-support-scams
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