Black Friday: 3 tips to strengthen the security of our Android and iOS smartphones

The proximity of Black Friday, Cyber ​​Monday and, right after, the Christmas season, as well as the Christmas purchases associated with the occasion, smartphones, smartwatches, tablets or laptops, are some of the products that we use the most for online commerce.

In fact, online shopping has increased considerably in Portugal, along with the rest of the world, due to the ease of avoiding queues, maintaining social distance and, sometimes, finding the best deals. However, some precautions must be taken.

Regarding the occasions in which online commerce is more intense, there is also greater interest on the part of hackers and other friends of others for our data. As such, we have now adopted some of the more useful security considerations.

There are, in addition, a series of simple precautions that can avoid future inconveniences, namely:

1. Change passwords before Black Friday

After purchasing a new computer, we must immediately change the pre-existing passwords on it. This is particularly crucial in the routers or modems operator, among other network equipment.

However, most electronic devices come with a default keyword. Therefore, it is advisable to set strong and unique passwords for each device you have.

On Android and iOS mobile devices, it is advisable to follow the instructions and safety recommendations presented.

2. Keep Android and iOS smartphones up to date

Second, it is important to keep your equipment up to date. Applied to smartphones, go to Settings – System updates.

This can be done by looking to update your computer frequently, both the operating system and all the existing applications on the computer. In practice, through the Google Play Store on Android and the App Store on iOS (iPhone and iPad).

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This is because attackers are constantly looking for vulnerabilities in software. Note that on business computers and phones, this need for risk containment is even more apparent.

3. Use two-factor authentication (2FA)

Finally, the use of a credential with the password and a security code that is sent to another device that we have, will make it difficult for attackers to enter the devices.

Currently, most banking apps and social media already offer 2FA. It is, therefore, something that we must activate, although it requires a few more steps each time we log in to these services again.

In short, they are simple precautions that can, at the very least, make it difficult to hackers in this time of greater intensity of online purchases.

It is important to know the basic safety features.

In this episode of Cybersecurity Coffee Break, Jairo Alonso, ICS Team Leader at S21sec, explains how cyber attacks on critical infrastructures work and how we can prevent them. https://t.co/LvSIU92wZRApple podcasts https://t.co/TTZfboU8ni pic.twitter.com/2pkNHkXsix

– S21sec (@ S21sec) November 10, 2021

Either unlocking by facial recognition or security key. First, before buying any equipment, it is good practice to understand what types of security features and functions it has.

That is, what are the advantages, disadvantages and risks associated with your specific needs and use of the equipment. More specifically, a device for personal use, as a general rule, does not lack all the means of authentication and protection that we must guarantee, for example, in a work laptop.

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