The most frequently asked questions about cybersecurity

We have completed Module 2-2 “Cybersecurity awareness: real cases”, taught by Silvia Barrera Ibáñez, in which she provided us with answers to some of the most frequently asked questions regarding cybersecurity awareness.

You don’t have to be famous or have a lot of money in the bank to fall victim to fraud. We must be aware that we are within the reach of any criminal. Nowadays, thanks to encryption tools, we can safely surf the Internet and there is no risk in connecting to public networks, as these are secure protocols. However, it is strongly recommended to change the default passwords of the routers, as they can be accessed.

All of us have many applications and each requires a username and password. Having the same password for all services increases the risk. Computationally speaking, a strong password is at least 12 characters long, and it is advisable to use a combination of alphanumeric and special characters, as well as upper and lower case. A “familiar” pattern can be used, and passwords can be changed over time. It is not advisable to write them down in a notebook, since they can also be stolen from one’s home and, in that case, in addition to taking the devices, they would also be able to access them.

Citizens most commonly fall victims to fraud on their mobile phone. These devices store information, files and access to apps and services that require internet. Mobile phones account for 60% of all security breaches. The recommendation is not to store any sensitive information on the device. In case of loss, it is recommended to call the operator to deactivate the associated SIM card, as well as change the passwords of apps and online services, access remotely to delete and block (IMEI) the means of payment associated with the device, especially if they are contactless.

It is important to do one’s research and use common sense, and to be very careful with alarmist articles. There is a huge variety of disseminators and useful documentation on the internet, whether in the form of text, video, etc.

The full article can be read on News-365.

For further questions on this topic, don’t miss the opportunity to enroll in C1b3rWall Academy 2021 for free. In addition, you can learn more about internet security by doing the Master in Cybersecurity at the University of Salamanca. Registration is now open for the course in February 2022.

Juan Manuel Corchado

Full Professor in Computer Science and Artificial Intelligence, Department of Computer Science and Automation, University of Salamanca, Spain.


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