A hacker breached the blockchain-based Poly Network platform to steal more than $600 million in cryptocurrency, the platform announced Tuesday. But Wednesday, it appeared the hacker had returned some of the stolen assets.
The world is now focused on ransomware, perhaps more so than any previous cybersecurity threat in history. But if the viability of ransomware as a criminal business model should decline, expect those attackers to quickly embrace something else, such as illicitly mining for cryptocurrency.
Two brothers who run Africrypt, a currency exchange service based in Johannesburg, South Africa, have been accused by law firm Hanekom Attorneys, acting on behalf of investors, of 'vanishing' along with $3.6 billion in cryptocurrency investments.
Bitcoin has enabled fast payments to cybercriminals pushing ransomware. How to deal with bitcoin is the subject of a spirited debate, with some arguing to restrict it. But bitcoin doesn't always favor cybercriminals, and it may actually be more of an ally than a foe by revealing webs of criminality.
Cryptocurrency has a reputation for being tough to trace - no wonder anonymity-craving criminals favor using it. In reality, cryptocurrencies don't make users anonymous. But just how did the FBI recover most of the bitcoins paid by Colonial Pipeline to the DarkSide ransomware operation?
Criminals tricked into using an FBI-run encrypted messaging app, Verizon's 2021 Breach Investigations Report and overcoming the challenges of recruiting cybersecurity professionals are among the latest cybersecurity topics to be featured for analysis by a panel of Information Security Media Group editors.
The U.S. Justice Department reported it recouped $2.3 million of the $4.4 million ransom Colonial Pipeline Co. paid following a May 7 ransomware attack. The DOJ's Ransomware and Digital Extortion Task Force coordinated the effort, in which the FBI tracked payment to a bitcoin wallet it controls.
Iran is using its abundance of oil to generate electricity that powers a massive bitcoin cryptomining operation that enables the country to turn its greatest natural resource into money, offsetting some of its income lost as a result of economic sanctions, according to cryptocurrency analysis firm Elliptic.
Cryptocurrency is gaining traction worldwide. But is it ready to displace the U.S. dollar as the world's reserve currency? Kathy Wang and Kenneth Geers of Very Good Security bring this topic to the RSA Conference stage and share exclusive insights in this panel discussion.
Does the West want to have its digital existence defined by adversaries, or is it ready to devote the time, resources, expertise and planning required to more fully take control of its evolving destiny? That's the techno-Darwinian call to arms issued by Jeremy Fleming, the director of Britain's GCHQ intelligence...
Has the CEO of inaccessible Turkish cryptocurrency exchange Thodex exit-scammed, fleeing the country with $2 billion worth of his customers' assets? So say critics, and police have launched an investigation. But the CEO, Faruk Fatih Ozer, who's in Albania, has vowed to clear his name and restore users' funds.
Today's cryptocurrencies are based on cryptographic standards that eventually could be broken via quantum computing, says Gideon Samid of BitMint, which has developed a virtual currency based instead on the concept of "quantum randomness."