A South Korean cardano ADA stakeholder has posted his regrets about the incident that happened to him and how he lost all his ADA staking rewards.

A hacker gained access to sensitive data and information after the victim posted it and withdrew his rewards.

John, the operator of a quota complex, has agreed to publish his story and disclose in the official Cardano Forum that he bears responsibility for the unfortunate event.

John believes that sharing information and his incident will allow other cluster operators, especially those who are not security experts, to learn from his disaster.

The incident occurred after a “fatal mistake” made by “John” that damaged the security of the main node he was running, and which published its security settings represented in the following:

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John said that the architecture of the above settings wasn’t the problem, but that the whole disaster began after he started “experimenting the docker, to dockerize.”

John privileged the group of docker users, and the main error was when John opened port 2375 and connected it to his docker socket.

He was told that this fatal bug was unaware of it and wanted to lose access to the docker.

Accordingly, the hackers were able to penetrate it through the same port.

John said he understood that this was a ridiculous mistake and that he was sure everyone would openly blame him.

A misstep by John who runs the ADA pooling pool led to his rewards disappearing, especially as John went so far as to mishandle the settings as he downloaded his cold key and opened the zip file.

Here, John violated the rule that a private key file should never be uploaded to a device, especially in the event of a change in the pool’s settings.

It becomes clear that “John” was attacked after his statutory bonuses, which were over 1 million ADA, decreased.

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John discovered that a hacker had the wallet address shown in Link He managed to withdraw his rewards.

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After a search and excavation by “John” he identified a docker image named “zbrtgwlxz:latest” that was in the list of docker images, and indicated that the strange image was a hack tool.

“John” expressed his real dissatisfaction with the mistake he made and his loss, and indicated that sharing this information is a lesson and a deterrent to others to be careful in changing the settings and to be aware of what you are doing.

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