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What has the Necurs botnet been up to?

The Necurs botnet has been slowly growing since late 2012 and still tops the list of largest spam botnets in the world. Since then, the botnet has occasionally stopped or temporarily minimized the sending out of spam but has returned in full force. How big is the Necurs botnet? It’s difficult to say precisely, but the latest information provided by the Cisco Talos team can give a general idea. The researchers analyzed 32 distinct spam … More ?

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What has the Necurs botnet been up to?

Q3 2017 Global DDoS Threat Landscape Report released

The newly released Q3 2017 Global DDoS Threat Landscape Report from Imperva Incapsula features insights on attacks and mitigation. These are some of the key findings: Bitcoin was one of the most targeted industries High packet rate attacks grew more common A third of network layer attacks were highly persistent Botnet activity out of India and Turkey continued to climb.

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Q3 2017 Global DDoS Threat Landscape Report released

2017 Forrester Wave: DDoS Mitigation Solutions report

In their 36-criteria evaluation of DDoS mitigation providers, Forrester identified 11 of the most significant ones — Akamai Technologies, Arbor Networks, Cloudflare, F5 Networks, Fortinet, Huawei Technologies, Imperva, Neustar, Nexusguard, Radware, and Verisign — and researched, analyzed, and scored them. The Forrester Wave: DDoS Mitigation Solutions, Q4 2017 report features information designed to help you: Gain critical insights into the growing DDoS mitigation solution market Identify the ideal DDoS mitigation solution for your company’s needs … More ?

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2017 Forrester Wave: DDoS Mitigation Solutions report

Return of Necurs botnet brings new ransomware threat

The Necurs botnet has returned to the top ten most prevalent malware during November 2017, as cybercriminals used it to distribute a new form of ransomware, according to Check Point. Researchers found that hackers were using Necurs, considered to be the largest spam botnet in the world, to distribute the relatively new Scarab ransomware that was first seen in June 2017. The Necurs botnet started mass distribution of Scarab during the Thanksgiving holiday, sending over … More ?

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Return of Necurs botnet brings new ransomware threat

DDoS attackers increasingly targeting cryptocurrency exchanges

The extraordinary volatility of the price of bitcoin has spurred speculators to employ a wide variety of tricks to make it swing between extremes, so that they can take advantage of it. The unregulated nature of the cryptocurrency ecosystem makes it possible for things like statements by widely esteemed financial executives to have a sizeable impact on the currency’s price. Another way to influence the price is through DDoS attacks against bitcoin exchange sites. There’s … More ?

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DDoS attackers increasingly targeting cryptocurrency exchanges

Andromeda botnet dismantled in international cyber operation

On 29 November 2017, the Federal Bureau of Investigation (FBI), in close cooperation with the Luneburg Central Criminal Investigation Inspectorate in Germany, Europol’s European Cybercrime Centre (EC3), the Joint Cybercrime Action Task Force (J-CAT), Eurojust and private-sector partners, dismantled one of the longest running malware families in existence called Andromeda (also known as Gamarue). According to Microsoft, Andromeda’s main goal was to distribute other malware families. Andromeda was associated with 80 malware families and, in … More ?

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Andromeda botnet dismantled in international cyber operation

Infosec expert viewpoint: DDoS attacks

DDoS attacks have become more extensive and are testing the limits of existing DDoS mitigation tools and practices, as well as affecting online businesses globally. Organizations are experiencing an increase in the magnitude of DDoS attacks, with the average size of attacks over 50 Gbps quadrupling in just two years. What presents a particular risk for organizations is the barrage of short, low volume attacks that mask more serious network intrusions. Frost & Sullivan found … More ?

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Infosec expert viewpoint: DDoS attacks

Millions download botnet-building malware from Google Play

Researchers have discovered a new batch of malicious apps on Google Play, some of which have been downloaded and installed on some 2.6 million devices. The apps’ capabilities The apps posed as legitimate offerings that modify the look of the characters in Minecraft: Pocket Edition (PE). In the background, though, they set out to rope the devices into a botnet. Once they were installed on a target device, they would connect to a C&C server, … More ?

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Millions download botnet-building malware from Google Play

Investigation reveals large botnet hiding behind Fast Flux technique

Fast Flux, a DNS technique first introduced in 2006 and widely associated with the Storm Worm malware variants, can be used by botnets to hide various types of malicious activities – including phishing, web proxying, malware delivery, and malware communication. The technique allows the botnet to “hide” behind an ever-changing network of compromised hosts, ultimately acting as proxies and making detection incredibly difficult. High-level architecture overview of the Fast Flux network ?and associated threat landscape … More ?

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Investigation reveals large botnet hiding behind Fast Flux technique