{"id":6633,"date":"2025-05-05T16:35:25","date_gmt":"2025-05-05T14:35:25","guid":{"rendered":"https:\/\/prosteit.pl\/?p=6633"},"modified":"2025-05-30T15:16:18","modified_gmt":"2025-05-30T13:16:18","slug":"whatsapp-or-teams-voice-messenger-comparison","status":"publish","type":"post","link":"https:\/\/prosteit.pl\/en\/whatsapp-or-teams-voice-messenger-comparison\/","title":{"rendered":"Voice Messenger Security: A Comparison of the Most Popular Apps in 2025"},"content":{"rendered":"
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

In the digital age, where communication takes place mainly via mobile applications, the security of voice calls becomes a key issue.<\/span> Many people, both in their private and professional lives, use instant messengers such as Microsoft Teams, Signal, WhatsApp or Telegram without realizing the potential risks associated with their use.<\/span><\/p>\n

In this article, we will take a look at the most popular voice messengers, analyzing their security mechanisms, such as end-to-end encryption (E2EE), TLS or SRTP protocols, and two-factor authentication (MFA) features.<\/span> We will explain how these technologies work and what they mean for protecting your privacy.<\/span><\/p>\n

We will also compare how individual apps deal with threats such as man-in-the-middle attacks, account takeovers, and data leaks.<\/span> We will pay special attention to Microsoft Teams<\/a>, analyzing why it may be a safer choice for businesses compared to other messaging apps.<\/span><\/p>\n

In addition, we will discuss the case of Skype, which was once a leader in voice communications but is now losing its importance.<\/span> We'll take a look at the reasons behind this decline in popularity and consider what conclusions can be drawn from it.<\/span><\/p>\n

This article aims not only to provide technical knowledge but also to raise awareness about the importance of security in voice communications.<\/span> We encourage everyone to read it if they want to better understand how to protect their conversations from unwanted access and what tools can help with that.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"data\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t
\n\t\t\t\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

Overview of the most popular voice messengers<\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Microsoft Teams (US)<\/span><\/h2>

Microsoft Teams is a communication and collaboration platform created by the American company Microsoft, headquartered in Redmond, Washington. It was officially launched in 2017 as part of the Microsoft 365 suite, offering chat, video conferencing, file storage, and integration with other applications<\/a> Microsoft. Thanks to this, it has become a popular tool in corporate environments, supporting teamwork and real-time communication.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Signal (USA)<\/span><\/h2>

Signal(Signal Foundation) is a secure messaging app known for its strong focus on user privacy. It was created by Moxie Marlinspike and Brian Acton, the co-founder of WhatsApp who left Facebook due to concerns about the privacy of user data. Signal offers end-to-end encryption for text messages, voice calls, and video calls, and minimizes the storage of metadata. It is an open-source app, funded by donations, which allows it to avoid commercial pressures and advertising.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Discord (USA)<\/span><\/h2>

Discord was initially created for the gaming community by the American company Discord Inc., headquartered in San Francisco. Over time, however, it has evolved into a universal communication platform used by various communities, from educational to hobbyist. The application allows the creation of servers with thematic channels, offering both voice and video calls.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Messenger (USA)<\/span><\/h2>

Messenger, formerly known as Facebook Messenger, is an application created by the American company Meta Platforms (formerly Facebook Inc.), headquartered in Menlo Park, California. It was initially an integral part of Facebook, but in 2011 it was spun off as a separate application. Messenger allows sending text messages, voice and video calls, and sharing multimedia.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

WhatsApp (US)<\/span><\/h2>

WhatsApp was founded in 2009 by Brian Acton and Jan Koum, both former Yahoo! employees, in Mountain View, California. The app quickly gained popularity due to its simplicity and lack of advertising. In 2014, it was acquired by Facebook (now Meta Platforms). WhatsApp offers end-to-end encryption for messages and calls, which provides a high level of privacy.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Telegram (UAE)<\/span><\/h2>

Telegram (Telegram FZ-LLC) is a messaging application founded in 2013 by Russian entrepreneurs Pavel and Nikolai Durov. The company is currently headquartered in Dubai, United Arab Emirates. Telegram offers end-to-end encryption in so-called "secret chats", while standard conversations are encrypted in a client-server model. The application is known for its high personalization capabilities and support for large user groups.<\/p>

Each of these apps has its own unique features and approach to security and privacy. In the following sections of this article, we will take a closer look at their security mechanisms to help users make an informed choice about which tool best suits their needs.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"voice\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Comparison of technical aspects of security<\/span><\/h2>\n

In the world of digital communication, the security of data sent via voice messengers is crucial. In this section, we will look at the technical aspects of security used in popular applications such as Microsoft Teams, Signal, WhatsApp, Telegram, Messenger, and Discord.<\/p>\n

Transport Layer Security (TLS) \u2013 Secure data transmission<\/span><\/h3>\n

Transport Layer Security (TLS)<\/strong> is a cryptographic protocol that ensures the confidentiality and integrity of data sent over a network. It operates between the application layer and the transport layer, encrypting data before transmission and decrypting it upon receipt. TLS<\/a> It is widely used in Internet applications such as browsers, email, instant messaging, and VoIP.<\/p>\n

TLS 1.3, released in 2018, offers improved security and performance over earlier versions. It removes outdated algorithms and reduces the time it takes to establish a secure connection.<\/p>\n

Most messaging applications, including Microsoft Teams, WhatsApp, Telegram, Messenger, and Discord, use TLS to secure data transmission between the client and the server.<\/p>\n

Secure Real-time Transport Protocol (SRTP) \u2013 Voice and video transmission protection<\/span><\/h3>\n

Secure Real-time Transport Protocol (SRTP)<\/strong> is an extension of the RTP protocol, designed to secure real-time multimedia transmissions such as voice and video calls. SRTP provides data encryption, message authentication, and protection against replay attacks.<\/p>\n

Microsoft Teams uses SRTP to secure multimedia transmissions, which ensures confidentiality and data integrity during calls. Other applications, such as Discord, also use SRTP in their voice calls.<\/p>\n

Multi-Factor Authentication (MFA) \u2013 Multi-factor authentication<\/span><\/h3>\n

Multi-Factor Authentication (MFA)<\/strong> is an authentication method that requires a user to provide two or more factors to confirm their identity. These factors may include:<\/p>\n