Data encryption, secure storage, telecommunications security, deleted file recovery.
• File security by storage media encryption, Mobile phone secure communications, Deleted files recovery, Permanent data erasure.
• Encrypted phone conversations - Secure mobile phone communication.
• Digital encryption in general is a way of shaping or encoding digital data in such a way that it cannot be understood except by anyone who has the corresponding decryption key.
• Telephone conversations nowadays are conducted through digital means, where during any telephone conversation, despite the fact that our own voice arrives in analog form to the microphone of our device, it is instantly converted to digital data which travels in digital form to be converted back into analog form reaching each interlocutor's telephone device so that voice can be understood as they are reaching their speaker or earpiece.
• Many antennas or long internet paths are used by the various carriers to route voice while it is in digital form, that is, during any telephone communication, with what this entails on communications security in general, even if digital communications are encrypted by mobile companies according to their policy or relevant legislation.
• In recent years the monitoring of telephone communications has become a not so unusual problem in many cases such as unfair competition between commercial or industrial enterprises.
• Data encryption meaning secured storage media.
• Every laptop or portable storage device can may contain valuable files or information that if lost could put any owner in a difficult position.
• A desktop office computer or a corporate server is potentially vulnerable to loss of sensitive files or personal data when no one is in the company.
• The operating system password or access PIN, even if enabled, is in most cases insufficient to protect the computer's internal or external storage media.
• An encrypted file storage is an excellent low-cost investment.
• Data recovery – restore deleted files.
• Sometimes situations like incorrect settings, incorrect user handling, power failure, or machine malfunction may result in the deletion of useful files. Nevertheless, the recovery of deleted files can be applied almost always.
• Permanent deletion of files so that recovery becomes impossible.
• Deleting files does not necessarily mean a definitive end to their existence, but only a designation by the operating system of whatever space they occupy as free space where new files can be written, while in the meantime the deleted files remain available for recovery. The only way for deleted files to not be available to recovery is their permanent deletion.
