- It is important to look at the performance of the device, the appearance of invasive advertising and unknown messages and contacts, among other things
The "smartphone" has become a kind of box that fits the entire life of its owner. From your private messages, to the photographs you take or send your contacts. In short, a device with a huge amount of information that, under no circumstances, should end up in the hands of malicious third parties. Therefore, it is essential to put all possible means to avoid being "hacked", which begin in the use of a quality antivirus.
It is also important that you monitor the operation of your device. Make sure that it operates properly. And, otherwise, there is a possibility that he has been infected. Next we gather the aspects in which it must be fixed to know if a third party has managed to penetrate your device and is stealing information.
Performance failures
It is very important to monitor that the device works at the correct speed. And, although the current "smartphone" are not designed to be eternal, it is not normal to slow down at once. Thing that could be caused by a "malware" (computer virus) that runs in the background overheating the terminal and quickly spending the battery.
Invasive advertising
If every time you unlock the phone you receive notifications with advertisements or advertisements, then it is quite likely that you have an adware installed. These pop-up windows tend to appear after downloading and installing an application, which usually are utilities or RAM optimizers. The "pop-ups", as they are known, show very varied messages, from invitations to the store to download a certain application to alert about the existence of a mobile virus.
Messages from strangers
The vast majority of "malware" found in devices with Android operating system uses the mobile number to subscribe unilaterally to premium services, so the user will start receiving messages from services (horoscope, etc.) that he does not know. On the other hand, you may not only be receiving these messages, but also sending them to your contacts without the owner noticing, or even having some messages published on social networks. In addition to the risks associated with "malware", the user is in danger of being affected in economic terms, since these services are usually paid.
Download of "apps" you don't know
The rise of mobile applications has caused many users to install them without toning nor are they. Many times, the excess of this type of utilities does not make us realize that some are downloaded without our permission. When we see that these cannot be deleted correctly, it is because they have been downloaded thanks to a "malware" that we have installed on the device.
How to check
From the Internet Users Association three codes have been shared to put in the phone and to check if it has been hacked. The first is the universal code: ** ## 002 # **. With it, it is possible to deactivate all call forwarding. That is, mobile phone redirects will be instantly disabled. For this reason, if you think that your calls may be being redirected to other receivers that are not the real ones, dial the code on the phone and you can check it.
Another quite interesting code is the following: *** # 62 # **. If on any occasion our friends or family tell us that our number is out of order or simply does not respond, we should check it with this code.
By dialing it, it will tell us where all those calls, messages and data are being redirected. It will be necessary to verify that the number to which everything is being redirected is from our own company, if not, the most advisable thing is to act immediately, using the telephone company.
A third code is *** # 21 # **, very similar to the previous one, since it will also indicate if our calls, messages, data, even the fax are being intercepted or diverted to another number, but it has an important difference: this code it shows a small screen where it is indicated by text if any service is really being diverted
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