Bitcoin Blackmail by Snail Mail Preys on Those with Guilty Conscience

Credit to Author: BrianKrebs| Date: Thu, 11 Jan 2018 18:25:26 +0000

KrebsOnSecurity heard from a reader whose friend recently received a remarkably customized extortion letter via snail mail that threatened to tell the recipient’s wife about his supposed extramarital affairs unless he paid $3,600 in bitcoin. The friend said he had nothing to hide and suspects this is part of a random but well-crafted campaign to prey on men who may have a guilty conscience.

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RIG exploit kit campaign gets deep into crypto craze

Credit to Author: Jérôme Segura| Date: Tue, 09 Jan 2018 17:11:16 +0000

We take a look at a prolific campaign that is focused on the distribution of coin miners via drive-by download attacks. We started to notice larger-than-usual payloads from the RIG exploit kit around November 2017, a trend that has continued more recently via a campaign dubbed Ngay.

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The post RIG exploit kit campaign gets deep into crypto craze appeared first on Malwarebytes Labs.

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Skyrocketing Bitcoin Fees Hit Carders in Wallet

Credit to Author: BrianKrebs| Date: Tue, 26 Dec 2017 14:55:14 +0000

Critics of unregulated virtual currencies like Bitcoin have long argued that the core utility of these payment systems lies in facilitating illicit commerce, such as buying drugs or stolen credit cards and identities. But recent spikes in the price of Bitcoin — and the fees associated with moving funds into and out of it — have conspired to make Bitcoin a less useful and desirable payment method for many crooks engaged in these activities.

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Web-based cryptominers are malware

Credit to Author: Bill Brenner| Date: Tue, 19 Dec 2017 16:50:40 +0000

Cryptominers running in a browser without an organization’s consent are parasitic and should be considered malware<img alt=”” border=”0″ src=”https://pixel.wp.com/b.gif?host=news.sophos.com&#038;blog=834173&#038;post=44653&#038;subd=sophos&#038;ref=&#038;feed=1″ width=”1″ height=”1″ /><img src=”http://feeds.feedburner.com/~r/sophos/dgdY/~4/LspUwUi25_k” height=”1″ width=”1″ alt=””/>

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There’s a hole in my bucket: Bitcoin scams aim to exploit volatile market

Credit to Author: Christopher Boyd| Date: Wed, 13 Dec 2017 19:53:19 +0000

The digital world of Bitcoin is ablaze with profit, speculation, and potential riches for all – unfortunately, scammers are in on the action and will stop at nothing to relieve the unwary of their digital fortunes. From the oldest tricks in the book to all new types of scams, it seems everyone is turning their attention to Bitcoin. What are the threats, and what can you do about it to stay safe?

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Mirai IoT Botnet Co-Authors Plead Guilty

Credit to Author: BrianKrebs| Date: Wed, 13 Dec 2017 16:23:18 +0000

The U.S. Justice Department on Tuesday unsealed the guilty pleas of two men first identified in January 2017 by KrebsOnSecurity as the likely co-authors of Mirai, a malware strain that remotely enslaves so-called “Internet of Things” devices such as security cameras, routers, and digital video recorders for use in large scale attacks designed to knock Web sites and entire networks offline (including multiple major attacks against this site).

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How cryptocurrency mining works: Bitcoin vs. Monero

Credit to Author: Pieter Arntz| Date: Mon, 11 Dec 2017 16:00:08 +0000

Why threat actors prefer mining for Monero rather than for the very hot Bitcoin cryptocurrency? Let us point out some possible reasons.

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