While it is spent online, Bitcoin is essentially like a form of cash in this regard – the person in possession of the funds is effectively the owner, and if the private keys which authorize spending are stolen, there is little recourse. While one can often track the movement of stolen funds on the blockchain, it’s impossible to reverse the transaction, making Bitcoin holdings a popular target for cybercriminals.

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Coinbase had announced in late September that it is looking to quickly add new cryptocurrencies that meet its standards and meet local law compliance. The exchange recently started supporting Ethereum Classic, and now there’s talk that it could list Ripple as well. The exchange has justannounced that Coinbase Custody, its branch providing custodian service for institutional investors, is now adding support for Ripple (XRP).
In August 2019, Coinbase announced that it was targeted by a sophisticated hacking attack attempt in mid-June. This reported attack used spear-phishing and social engineering tactics (including sending fake e-mails from compromised email accounts and created a landing page at the University of Cambridge) and two Firefox browser zero-day vulnerabilities. One of the Firefox vulnerabilities could allow an attacker to escalate privileges from JavaScript on a browser page (CVE-2019–11707) and the second one could allow the attacker to escape the browser sandbox and execute code on the host computer (CVE-2019–11708). Coinbase's security team detected and blocked the attack, the network was not compromised, and no cryptocurrency was stolen.[39][40][41]
This article is intended as a news item to inform our readers of various events and developments that affect, or that might in the future affect, the value of the cryptocurrency described above. The information contained herein is not intended to provide, and it does not provide, sufficient information to form the basis for an investment decision, and you should not rely on this information for that purpose. The information presented herein is accurate only as of its date, and it was not prepared by a research analyst or other investment professional. You should seek additional information regarding the merits and risks of investing in any cryptocurrency before deciding to purchase or sell any such instruments.

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