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By Hongliang Liu and Yuriy Yuzifovich Originally posted on December 29, 2017 Today's post is all about DGA's (Domain Generation Algorithms): what they are, why they came into existence, what are some use cases where they are used, and, most importantly - how to detect and block them. As we will demonstrate here, the most effective defense against DGAs is a combination of traditional methods with modern machine intelligence.
Overview On Wednesday, January 3rd, researchers from Google Project Zero, Cyberus Technology, Graz University of Technology, and other organizations released details about a pair of related vulnerabilities, dubbed Meltdown and Spectre. These vulnerabilities appear to affect all modern processors and enables malicious code to read sensitive portions of memory on nearly all systems, including computers and mobile devices. Akamai is aware of side-effects of "speculative execution", the core capabilities that
On Dec 12th, 2017, researchers Hanno Böck, Juraj Somorovsky and Craig Young published a paper detailing an attack they called the Return Of Bleichenbacher's Oracle Threat (ROBOT)(https://eprint.iacr.org/2017/1189). This attack, as the name implies, is an extension of an attack published in 1998 (https://link.springer.com/content/pdf/10.1007%2FBFb0055716.pdf) that affects systems using certain implementations of RSA key exchange. Customers have voiced concerns about this threat and asked how Akamai can help. Customers that use Akamai
Through the end of 2016, and throughout 2017, multiple Mirai-based botnets targeted multiple Akamai customers. The very first Mirai attack against Akamai was a multi-day barrage, weighing in at a peak of 620/Gbps that sent shockwaves across the Internet. The same botnet would go on to conduct several hard hitting attacks across the Internet and cause widespread outages. On December 13, 2017, the Department of Justice (DOJ) announced that multiple
The results are in, Black Friday and Cyber Monday broke all records in 2017 as the total revenue for these days exceeded $11.5 billion. Anticipating that more consumers would shop online, retailers invested in digital experiences and geared up for the holidays by (i) stocking fewer items in stores to reduce inventory costs and (ii) hiring few seasonal workers. Retailers' predictions were accurate, and their investment in digital experiences paid
With the recent influx of news reports regarding security incidents, more Chief Information Security Officers (CISOs), Chief Information Officers (CIOs), and IT professionals are reviewing current security infrastructures, policies, and practices to identify potential weaknesses in their security posture. This has long been best practice, but with the progressive use of various attack and threat vectors now employed by malicious actors against businesses, this practice must be constantly in play
Since 2005, when Gartner coined the term, SIEM (Security Information and Event Management) solutions have grown in importance for the security industry. SIEM solutions provide a centralized view to easily access and analyze security information from multiple sources, and then prioritize mitigation efforts based on risk profiles. SIEM also helps organizations meet their security log analysis and incident/event reporting requirements.
By Daniel Franke, Infosec Researcher Akamai is aware of the recently-disclosed "ROCA" vulnerability in cryptographic firmware used in products made by Infineon Technologies. A bug in the firmware's prime-search algorithm used for RSA key generation results in RSA keys that are relatively cheap and inexpensive to factor. The bug impacts Infineon Trusted Platform Modules (TPMs) as well as many smartcards and Hardware Security Modules (HSMs) that use Infineon chips but
Everybody wants to be able to use TLS 1.3. Among the reasons are: