According to the data of Slow Fog Technology, there were 12 typical security incidents in August, resulting in a total loss of nearly 10 million US dollars. The monitoring found that many exchanges suffered from fake recharge vulnerability attacks, including: USDT (Omni) fake recharge vulnerability, ERC20 Token fake recharge vulnerability, EOS fake recharge vulnerability, XRP fake recharge vulnerability, and Monroe currency (XMR) transfer. Locking the vulnerability and causing huge losses to the exchange. At the same time, the slow fog issued an early warning. The APT (Advanced Persistent Threat) attack against the exchange has also intensified recently. Here, the exchanges are reminded to conduct self-inspection of security vulnerabilities in advance, further enhancing personnel safety awareness and platform risk control system. Contact a professional blockchain security company for help and avoid losses.