Amaya Toman The events that we will recall in today's overview of the history of IT are separated by exactly one hundred years - but they are two completely different matters. First, we will commemorate the anniversary of the birth of the scientist, mathematician and number theorist Derrick Lehmer, in the second part of the article we will talk about the first appearance of a virus in mobile phones.
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Derrick Lehmer was born (1905)
On February 23, 1905, one of the most famous mathematicians and prime number theorists, Derrick Lehmer, was born in Berkeley, California. In the 1980s, Lehmer improved on the work of Édouard Lucas and also invented the Lucas–Lehmer test for Mersenne primes. Lehmer became the author of many works, texts, studies and theories and worked at several universities. In 22, Lehmer received an honorary doctorate from Brown University, six years later he lectured at an international conference on computers and mathematics at Stanford University. To this day, he is considered a pioneer in solving problems in number theory and in a number of other areas. He died on May 1991, XNUMX in his native Berkeley.
The first mobile phone virus (2005)
On February 23, 2005, the first virus that attacked mobile phones was discovered. The mentioned virus was called Cabir and it was a worm that infected mobile phones with the Symbian operating system - for example, mobile phones from Nokia, Motorola, Sony-Ericsson, Siemens, Samsung, Panasonic, Sendo, Sanyo, Fujitsu, BenQ, Psion or Arima. The virus manifested itself by displaying a message with the word "Caribe" on the screen of an infected mobile phone. The virus was also able to spread via a Bluetooth signal, mostly in the form of a file called cabir.sis, which was installed in the System/apps/caribe folder. At that time, the only solution was a visit to a specialized service.
