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  1. Kondisi lockdown akibat pandemi membuat pertumbuhan yang pesat untuk game. Bagaimana tidak, jumlah pemain game makin banyak dengan durasi permainan yang juga meningkat signifikan. Meski dunia lebih aman dari pandemi pada tahun 2021 ini, permintaan akan game tetap ada. Nilai industri game ditaksir mencapai USD 175,5 miliar pada akhir 2021. Seiring dengan pesatnya pertumbuhan industri game, Kaspersky menganalisis serangan dengan malware dan software berbahaya lain yang menyamar sebagai 24 game PC dan 10 game ponsel terpopuler 2021. Hasilnya, ancaman siber yang menyerang game melonjak seiring masa lockdown di kuartal 2 (Q2) 2020. Kaspersky mendeteksi terdapat 2,48 juta ancaman siber terkait game pada Q2 2020. Dikutip dari rilis Kaspersky, Rabu (1/9/2021), jumlah ini meningkat 66 persen dibanding kuartal 1 2020, yakni 1,48 juta serangan. Namun pada 2021, jumlah serangan dan pengguna terinfeksi menurun menjadi 636.904 serangan pada kuartal kedua 2021. Pada awal pandemi, jumlah pengguna game mobile yang terpengaruh naik 185 persen, dari 1.138 pengguna (Februari 2020) menjadi 3.253 pengguna (Maret 2020). Namun terjadi penurunan serangan pada kuartal kedua 2020 dibandingkan kuartal kedua 2021. Game Paling Banyak Dimanfaatkan Minecraft menjadi game kategori PC dan seluler yang paling sering dimanfaatkan untuk menyamarkan software dan malware berbahaya lainnya. Hal ini tidak lepas dari banyaknya software modifikasi tambahan yang bisa dipasang di game Minecraft untuk meningkatkan pengalaman. Biasanya mod yang dibuat tidak resmi sehingga penjahat siber bisa mudah menyelipkan muatan atau software berbahaya. Dari Juni 2020-Juni 2021, 36.336 file disamarkan sebagai Minecraft dan 184.887 PC telah terdampak, serta mengakibatkan 3 juta percobaan infeksi. Judul lain yang juga sering disamarkan dan disusupi malware adalah The Sims 4 (terdeteksi 1,2 juta kali), PUBG (terdeteksi 484 ribu kali), Fortnite (terdeteksi 267 ribu kali), dan Grand Theft Auto V (terdeteksi 187 ribu kali). Sebagian besar file yang didistribusikan dengan kedok game populer merupakan downloader, yakni program yang mampu mengunduh adware dan software lain ke perangkat terinfeksi. Pengguna PC dan smartphone menghadapi ancaman yang jauh lebih serius termasuk Trojan-stealers (dirancang untuk mencuri data terkait mata uang kripto dan data lainnya), Trojan-banking, dan backdoor. Perkembangan Kripto Turut Ikut Andil Peneliti Keamanan Kaspersky Anton V. Invanov mengatakan, makin banyak pengguna menghadapi ancaman yang disamarkan sebagai game. "Dua cara populer menyebarkan ancaman adalah halaman phishing yang menargetkan pengguna game dan cara kedua adalah situs warez, yakni kampanye terkoordinasi yang mendistribusikan penetes berbahaya melalui situs tersebut," kata Invanov. Ia menambahkan, seiring perkembangan fitur dan mata uang kripto dalam game, industri game jadi lebih menarik bagi pelaku kejahatan siber. "Risiko terburuk mengenai ancaman terkait game adalah hilangnya kredensial akun, baik itu detail login ke akun game hingga aplikasi perbankan atau mata uang kripto," katanya.
  2. Digital currency Bitcoin has seen its value top $1000 (£815) for the first time in three years after it ended as the best-performing currency of 2016. It traded as high as $1,029 on Tuesday, according to CoinDesk data. Analysts are attributing its jump to increased demand from China, which is where most Bitcoin trading takes place. Bitcoin relies on web-based transactions handled across thousands of computers and is an anonymous and quick way to move money globally. As a result, some speculate people in China are using it to circumnavigate strict government rules aimed at preventing money from leaving the country. China's currency, the renminbi, fell about 7% in value last year. Bitcoin rose 125% in value last year, which makes it the world's best-performing currency when compared with its central bank-issued peers. "The growing war on cash, and capital controls, is making bitcoin look like a viable, if high risk, alternative," said Paul Gordon, a board member of the UK Digital Currency Association. How Bitcoin works Bitcoin is often referred to as a new kind of currency. But it may be best to think of its units being virtual tokens rather than physical coins or notes. However, like all currencies its value is determined by how much people are willing to exchange it for. To process Bitcoin transactions, a procedure called "mining" must take place, which involves a computer solving a difficult mathematical problem with a 64-digit solution. For each problem solved, one block of Bitcoins is processed. In addition the miner is rewarded with new Bitcoins. Verifying bitcoin transactions takes a lot of computer power This provides an incentive for people to provide computer processing power to solve the problems. To compensate for the growing power of computer chips, the difficulty of the puzzles is adjusted to ensure a steady stream of new Bitcoins are produced each day. There are currently about 15 million Bitcoins in existence. To receive a Bitcoin, a user must have a Bitcoin address - a string of 27-34 letters and numbers - which acts as a kind of virtual post-box to and from which the Bitcoins are sent. Since there is no register of these addresses, people can use them to protect their anonymity when making a transaction. These addresses are in turn stored in Bitcoin wallets, which are used to manage savings. They operate like privately run bank accounts - with the proviso that if the data is lost, so are the Bitcoins owned. Historical volatility Bitcoin has been historically volatile since it was first launched in 2009, and many experts have questioned whether the crypto-currency will last. The last time Bitcoin was trading above $1000 was in late 2013. But later that year the currency experienced daily price swings of as much as 40% after the Tokyo-based Mt. Gox exchange was hacked and saw the currency plunge to under $400. However, experts expect Bitcoin to continue its bull run. "As asserted by analysts, 2017 is expected to be a banner year, one that could finally lead the price to pass its all-time high of $1,216.7 set in 2013," CoinDesk said. There are also more Bitcoins in circulation than ever before and it is estimated 12.5 are added to the system every ten minutes. It is estimated the crypto-currency's total worth is now above a record $16bn.
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