By blog Nov 18 2020
In the wake of the COVID-19 global pandemic, online and digital are becoming increasingly important to business. While these trends have many advantages in terms of new ways of working and other aspects, it is also true that cyber attacks (i.e., ransomware and malware) are rapidly increasing to exploit the gaps.
Ransomware attacks are on the rise
A type of cyber attack called "ransomware" is particularly risky at the moment. This attack is a virus that encrypts files on an infected PC and makes them unreadable to the owner(s).
Ransomware attackers demand a "ransom" from their victims. If the ransom is paid, they will unencrypt the files and restore them to their original state.
There are currently many different types of ransomware, such as WannaCry, which came on the scene around 2017. This year, a new ransomware called MAZE has become a global epidemic, and the damage is slowly becoming more noticeable in Japan, as well.
Problems with ransomware countermeasures
The difficulty with ransomware countermeasures can be summed up in two points: the modus operandi has become so sophisticated that it is difficult to prevent infection, and once infected, the probability of regaining access to data is low.
Ransomware is currently the most popular method "chosen" by attackers, and the techniques and methods are evolving every day. Although the main route of infection is through links and attachments in spam e-mails, it is often difficult to guard against the attack because the e-mails look completely normal, for example, identical to ones from trusted business partners.
Also, once infected with ransomware, it is very difficult to recover the encrypted files. Even if you pay the "ransom" demanded by the attackers, there is no guarantee that your data will be restored. Unfortunately, there have been many cases where the ransom was paid in full, but the encryption was not lifted. In the end, the victims had no choice but to give up on the lost data and move on.
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