South Korean cryptocurrency exchange Upbit faced more than 159,000 hacking attempts in the first half of 2023, operator Dunamu reports. This is 117% more than in the same period in 2022 and 1800% more than in the first half of 2020.

- Upbit has strengthened its security measures by increasing the percentage of funds stored in cold wallets to 70% and implementing enhanced security protocols for funds in hot wallets.

- Not a single case of cyber hacking has occurred to date.

- At the end of September, Upbit had to suspend Aptos token services due to its failure to detect the fake "ClaimAPTGift.com" token that had infiltrated 400,000 Aptos wallets.