Many companies have either incorporated blockchain into their operations or are planning to do so in the near future. But while blockchain is quite secure, its safety is not absolute. Malicious parties will always find ways to make money or take control as they utilize their knowledge of technology. 

Fortunately, there are many ways to prevent blockchain breaches and fraud. The most important protection of all is educating people about blockchain vulnerabilities and safety. After all, 95% of data breaches are due to human error.