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Prevent Ransomware Attacks! 5 Cases to Learn From

August 21, 2026 · 1

Prevent Ransomware Attacks! 5 Cases to Learn From – Ransomware attacks continue to spread to this day. Hackers' activities are becoming increasingly brazen. They do not hesitate to demand ransoms from victims in large amounts. It can be millions, billions, or even ransoms requested in cryptocurrency. This can be very damaging. Even after victims pay the ransom, the data and documents on the device are not guaranteed to be returned, because attackers will often deceive victims just to get money.

Ransomware Attacks Draw Attention

Ransomware attacks orchestrated by hackers have become a major concern. It can also be said that ransomware is one of the biggest cyber security problems that must be prevented.

For those who don't know, ransomware is a type of malware that can harm someone by locking or encrypting data, documents, or files on a device. Ransomware doesn't only target laptops or computers; it can also affect mobile phones.

When data is locked or encrypted, victims must try to regain access to those documents so they can be used. However, that is not easy. Instead, attackers will demand a ransom, promising they can restore access to the data. But paying a ransom is not a guarantee. As mentioned, attackers are primarily after money.

Small Business Owners as Ransomware Targets

If asked how many people have been affected, the answer is: many. Hackers attack data across all groups — individuals, companies, and government. They will do anything to get money.

It should also be noted that ransomware most frequently targets small business owners. They are a common target because, from a hacker's perspective, small or early-stage companies often lack strong cybersecurity compared to larger organizations.

5 Cases of Ransomware Attacks

As noted, hackers can attack anyone. To date, many people and organizations have been victims. If you're curious who has been targeted, here are five ransomware cases that can serve as lessons and help guide prevention efforts.

1. US Fuel Pipeline

Ransomware succeeded in encrypting the pipeline's computer systems. The attackers then demanded payment, promising they could restore the network.

2. Cyberpunk 2077

This popular game was also a victim of a ransomware attack. In February 2021, attackers took control of internal systems, encrypted data, and demanded a ransom.

3. JBS

The ransomware attack on JBS affected employees as well. JBS was identified as a ransomware victim around May 2021.

4. University of California

Ransomware does not only target companies; it also affects the education sector. One example is the University of California, which reportedly paid a ransom of up to Rp16.3 billion after an initial demand of Rp42.9 billion.

5. CWT Global

This ransomware case occurred in 2020, when the US travel services company was unable to stop the malware. As a result, CWT Global paid about Rp64 billion to recover locked data. Reportedly, the payment was made in Bitcoin.

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Author: Aprilia Wahyu