It must be understood that as soon as an attacker takes over a messenger account, this does not lead to anything good. As a result, a malicious actor can gain complete control over the device and go unnoticed. Installing a compromised application, such as one from an untrusted source, can lead to a more serious attack. Like any software, a messenger may contain vulnerabilities that facilitate access to more than just confidential information.
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Code Vulnerabilities and Compromised Software The malefactor can use these personal routes of movement to orchestrate an attack or sell this data to third parties. When the function of sharing the current location is activated, or if the messenger allows you to reveal your mobile number, an attacker can piece together your daily schedule of presence in a particular location. This can be blackmail, impersonation of a confidant, or data collection for implementing more complex schemes using social engineering. Gaining unauthorized access to confidential information your messenger generates and stores (by intercepting messages in real time, accessing message logs, extracting data from the cloud, or authenticating behind your back) will lay the groundwork for a number of extremely unpleasant attacks with unpredictable consequences. Here is some extra food for thought: a service that effectively protects your messages and metadata could be less suitable, for example, for entertainment and may be inconvenient for everyday use. Who may abuse the data? Do we want to keep our data safe from advertising companies, the government, and hackers? What about family members?Įach scenario has its undercurrents, which is important to take into account.
Is it correspondence, content, identity, metadata, or location? Odds are that all of the above. Each user has to figure out what exactly needs to be protected. The threat model will be highly personalized because we are dealing with personal data. Let’s try to assess the privacy of messengers marketed as safe in terms of certain key parameters and try to answer the question: which messenger currently provides the best user privacy? Threats and Risks
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Numerous and various scandals and bugs associated with popular messengers make us wonder whether our messenger of choice is secure enough? Is our data encrypted in the cloud and who has access to this data? How to evaluate the security of a messenger in general? We are so used to all this that we completely fail to notice the amount of confidential information that we send through instant messengers every day. The development of cloud technologies has also increased the influence of instant messengers on our lives, as it is really convenient when important files, correspondence, and contacts are at hand and so easy to share. Most popular global mobile messenger apps as of October 2021, based on the number of monthly active users ( in millions) We can make audio and video calls, shop, pay utility bills, get help, order food, taxis, tickets, and more. The functions of modern messengers have gone beyond the usual exchange of messages, photos, and videos. Messengers allow you to quickly and easily interact with others on a variety of issues such as work, education, entertainment, and personal contacts.
The transfer of information via instant messengers has long become an integral part of our everyday life. Which one protects personal data best? Which provides the highest level of anonymity? Let’s break it down and identify the most secure modern messengers out there. We pass a huge amount of all sorts of sensitive data through these secure instant messaging systems. A modern person uses several instant messengers every day to exchange messages, files, contacts, and location, as well as receive services, news, and solve important work tasks.
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