Snapchat, Seagate among companies duped in tax-fraud scam

SAN FRANCISCO - Tax-filing season is turning into a nightmare for thousands of employees whose companies have been duped by email fraudsters. A major phishing scheme has tricked several major companies - among them, the messaging service Snapchat and disk-drive maker Seagate Technology - into relinquishing tax documents that exposed their workers' incomes, addresses and Social Security numbers.