These days, many people in Indonesia are using digital banking. They like using mobile apps to manage their money instead of going to the bank. It’s easier and faster. But, doing banking online also brings some problems, especially about keeping data safe.One big problem is protecting customers’ personal information. Criminals try to steal passwords and PINs using fake websites, emails, or viruses. Even though banks use security tools like firewalls and encryption, there are still reports of fraud andunauthorizedaccess. To improve safety, some banks now use fingerprint or face scans.Another problem is that not all people know how to protect their information. Doing simple things like using strong passwords, not using public Wi-Fi, and not clicking unknown links can help. Now, banks are trying to teach people how to stay safe online.What is the main concern raised in the second paragraph...