Verizon 2021 Data Breach Investigations Report The Verizon Business 2021 Data Breach Investigations Report (2021 DBIR) examines more breaches than ever before, and sheds light on how the most common forms of cyber-attacks affected the international security landscape during the global pandemic. This year’s report saw 5,258 breaches from 83 contributors across the globe, a third more breaches analyzed than last year. With an unprecedented number of people working remotely, phishing and ransomware attacks increased by 11 percent and 6 percent respectively, with instances of Misrepresentation increasing by 15 times compared to last year. Additionally, breach data showed that 61 percent of breaches involved credential data (95 percent of organizations suffering credential stuffing attacks had between 637 and 3.3 billion malicious login attempts through the year).