Row hammer is the theory that hackers lock the memory for attack. When a hacker attacks the memory, it may allow malicious programs to obtain the highest system authority or bypass the security sandbox. Team Group Inc.’s Row hammer protection technology can simulate the scenario wherein memories are attacked. It can strictly screen out the memories that can pass this simulation in order to improve product reliability and safety.
 
The Row hammer attack theory by locking memory emerged in 2012. Memory is composed of memory cells in rows. When a hacker locks the memory row to be attacked, as long as he repeatedly visits the memory cells in the next row, it will cause voltage fluctuations in the memory control circuit and affect the target memory, resulting in a bit reversal phenomenon; for example, 1 becomes 0 or 0 becomes 1; as long as hackers continue to change the bits in the memory according to the requirements, they will eventually be able to expand their authority.

For the high stability and security requirements of industrial and enterprise-level applications, Team Group Inc. simulates the attack behaviors related Row hammer and develops test programs, which can effectively screen the memories that pass the test and protect the safety of customer data.
   

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