Ransomware can take diﬀerent forms, but in its essence, it denies access to a device or ﬁles until a ransom has been paid.
In this manual, we discuss ransomware as PC or Mac-based malicious software that encrypts a user or company’s ﬁles and forces them to pay a fee to the hacker in order to regain access to their own ﬁles.
The hackers primarily use the following vectors to infect a machine: phishing emails, unpatched programs, compromised websites, poisoned online advertising, and free software downloads.
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Bitcoin, The world’s most popular cryptocurrency sank to $6,558.14 on Monday, its lowest level since May, according to industry site CoinDesk. It lost $3,000 in value in just a month as China accelerated a crackdown on businesses involved in cryptocurrency operations, a reversal from President Xi Jinping’s previous signal to be more open to the blockchain technology. The coin last traded at $7,150.79.
Bitcoin jumped to above $10,000 briefly last month after Xi sang the praises of blockchain in a speech and called on his country to advance development in the field. However, on Friday, China’s central bank, the People’s Bank of China, pledged to continue to target exchanges and asked investors to be wary of digital currencies.
Beijing has taken a tough stance on cryptocurrencies, banning a fundraising exercise known as an initial coin offering and forcing local trading platforms to shut down in 2017.
“This was one of the worst weeks in the history of digital assets,” Jeff Dorman, chief investment officer of Arca, told CNBC. “The market is clearly in contraction, with no new money coming in to soak up the supply.”
Still, bitcoin has doubled in price since the beginning of the year, marking a significant turnaround from last year, when the digital coin tanked to as low as $3,122. It got a boost this summer after Facebook announced its own planned libra cryptocurrency, which analysts say has contributed to positive sentiment around bitcoin and boosted its price.
Bitcoin has a history of strong comebacks from big sell-offs, Dorman noted. The cryptocurrency gained 70% in the four months following a 16% loss in 2016 and similarly an 89% gain in the four months after a 22% sell-off in 2015, Dorman said.
Bitcoin is nowhere near its all-time high, near $20,000 in December 2017 or following any specific pattern as predicted by elf acclaimed cryptocurrency experts in recent years.
New York (CNN Business)Binance, a major cryptocurrency exchange, says hackers stole more than $40 million worth of bitcoin from its customers.
The Taiwan-based company, one of the world’s largest crypto exchanges, announced that it discovered a “large scale security breach” Tuesday. It said hackers stole 7,000 bitcoins in one transaction. One bitcoin trades at nearly $6,000.
“The hackers used a variety of techniques, including phishing, viruses and other attacks,” CEO Changpeng Zhao wrote in the statement. He said the company continues to investigate the breach.
Zhao explained that the hackers waited for the best time to conduct their operation, but he didn’t clarify specifically how the hack went undetected.
“The transaction is structured in a way that passed our existing security checks,” he said. “Once executed, the withdrawal triggered various alarms in our system. We stopped all withdrawals immediately after that.”
As reported by U.Today, Facebook relaxed is crypto ad ban back in June, but ICOs were still barred from the website. Despite this announcement, the social media giant continued to blackball the majority of crypto-related ads. The thing is, Facebook only readmitted the companies that already got the green light before the ban, but the majority of new submissions have been rejected (mostly for some obscure reasons).
Now, a wide range of crypto-related ads does not need to be pre-approved at all. It appears that only those ads that are promoting ICOs and other crypto projects will be vetted as usual by Facebook.
“While we will still require people to apply to run ads promoting cryptocurrency, starting today, we will narrow this policy to no longer require pre-approval for ads related to blockchain technology, industry news, education or events related to cryptocurrency,” the blog post read.
Back in October, Google also reversed its crypto ban for regulatory compliant exchanges after banning crypto ads along with a slew of other tech companies, such as LinkedIn and Snapchat.
Facebook’s crypto bet
Facebook had no choice but loosen its grip on crypto since it’s prepping to issue its own cryptocurrency that is supposed to become a major disruptor in the industry. Facebook’s foray into crypto is allegedly the reason why major institutions are becoming enthusiasticabout digital assets.
Bitcoin (BTC) scaled an important price resistance with double-digit gains in April, solidifying the long-term bull breakout witnessed four-weeks ago.
The crypto market leader closed (UTC) at $5,269 on Tuesday, representing a 28 percent gain on the April 1 opening price of $4,092, as per Bitstamp data. That’s the biggest monthly gain since April 2018, as discussed yesterday.
Importantly, April’s close put prices above the 21-month exponential moving average (EMA), currently at $5,248.
That EMA had emerged as a strong price floor in the five months to October 2018, forcing many to conclude that the bear market had ended near $6,000. Bitcoin, however, dived below $6,000 on Nov. 14 – falling to lows near $3,100 by mid-December – and, with that, the 21-month EMA became the level to beat for the bulls.
Now that BTC has secured a monthly close above that key hurdle, the long-term bearish-to-bullish trend change confirmed on April 2 looks more credible. As a result, a rally to $6,000 in the next few weeks cannot be ruled out.
As of writing, BTC is changing hands at $5,300 on Bitstamp – up 2.4 percent on a 24-hour basis.
As seen on above left, April’s candle closed just above the 21-month EMA, the first monthly close above the key average since October 2018.
The bullish close comes four weeks after bitcoin first confirmed long-term bullish reversal by violating the most basic of all bearish patterns – the lower highs and lower lows – with a high-volume break above $4,236 on April 2.
The chart also shows a falling channel breakout, which indicates a bearish-to-bullish trend change. It is worth noting that a similar bearish channel breakout in October 2015 was followed by a 2.5-year bull market (see above right).
Essentially, BTC has activated twin bullish cues – a falling channel breakout and a close above the 21-month EMA – with April’s close at $5,269. These developments are remarkably similar to the ones seen in October 2015.
The above chart shows bitcoin has again bounced up from the 30-day moving average (MA), weakening the case for a deeper pullback put forward by the bearish divergence on the 14-day relative strength index (RSI).
It is worth noting that BTC has suffered significant price pullbacks following the confirmation of the bearish RSI divergence in the past.
This time, however, the pattern seems to have failed, with the price bouncing up from the 30-day MA, a sign of strong bullish sentiment. As a result, BTC could revisit and possibly breach the recent high of $5,627 reached on April 23.
The case for a temporary pullback to the 50-day MA, currently at $4,706 would strengthen if and when the price closes below the 30-day MA at $5,184.
Foxbit co-founder Gustavo Schiavon, known affectively as Guto, has passed away in a car accident in the Brazilian state of São Paulo.
While driving between Marília city and São Paulo capital his car spun under heavy rain and got hit, back side first, by a large cargo truck. The automobile was reduced to a fraction of its size by the impact.
Guto was accompanied by his girlfriend Ariadny Rinolfi who survived the crash but is in serious condition under intensive care at a São Paulo hospital.
A second fatal victim was involved in a different automobile. A total of 2 passenger cars and 2 large trucks were involved in the crash.
Schiavon, who held a degree in Information Systems, founded Foxbit in 2014. The business quickly became Brazil’s largest Bitcoin exchange.
In March 2018 Foxbit was hacked and lost over R$ 1 million in funds. The company had enough reserves to cover the customers’ balances and avoid a Mt. Gox like scenario.
Four partners founded Foxbit: Schiavon, João Canhada, Marcos Henrique and Felipe Trovão.
The Foxbit team earned several prizes and recognition for their innovative work with cryptocurrencies in Brazil.
Also in 2018 Foxbit got involved in a landmark lawsuit against a bank which shut down their main account due to “concerns over money laundering security” although no evidence of any wrongdoing was presented in the case. The bank’s argument was that it had the right to close down accounts, at their sole discretion, which they felt could “pose risks”. The ruling became a negative precedent for cryptocurrency businesses in Brazil. Later in the year, Brazil’s second highest court used this lawsuit to decide that banks had the right to unilaterally close bank accounts.