One of the problems we’ve experienced over the years with Linux memory forensics was the difficulty of obtaining a memory dump. This is because most acquisition tools require a loadable kernel module to be built on the exact same kernel version as the target. Building the kernel module on the target itself has several problems: […]
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Leaving SANS – The end of an era
SANSThis is a personal post from Rendition Founder and President, Jake Williams. Rendition Infosec is growing rapidly and I need to spend more time with the company. While I greatly enjoy training, mentoring clients and helping them to secure their networks is better aligned with my own personal goals and the growth at Rendition. I’m […]
FaceTime Vulnerability – Enterprise Concerns
BYOD Threat ModelingThere’s a nasty FaceTime vulnerability that allows anyone to turn an iPhone into a surveillance tool. Exploiting the vulnerability couldn’t be easier (its so easy a child can do it). Just FaceTime the victim, then while the phone is ringing swipe up and add your number as another party on the call. This activates the […]
Restarting cybersecurity after the government shutdown (temporarily)
Shutdown Threat HuntingToday we got news that a deal has been reached to reopen the government with a short term funding bill that will allow lawmakers to negotiate while the government is open. But there’s only three weeks of funding in the short term bill and it’s completely reasonable to think that another shutdown is imminent (e.g. […]
PHP PEAR Backdoor Discovered
Software Supply Chain Supply Chain SecurityOn January 19th, the maintainers of the popular PHP package management system disclosed that they had discovered a backdoor in an installer component named go-pear.phar. The PEAR website is still down as of today and maintainers state that they have no ETA for when a clean site will be on line. Although initial indications were […]
DHS orders DNS security for federal agencies
DNS MFADHS has ordered that federal agencies must update the security of their DNS, all while the government shutdown continues. The move is in response to reports from FireEye and Talos that attackers have been compromising DNS and using that access to issue fraudulent TLS certificates. During incident response engagements with Rendition Infosec customers, we have […]
Jonathan Ham Joins Rendition Infosec
Jonathan Ham PeopleToday, we are proud to announce that Jonathan Ham is is joining Rendition Infosec as our new Threat Hunting Operations Lead. Jonathan is a network forensics and defensive cyber operations expert with more than two decades of experience in the field. Jonathan literally wrote the book on network forensics (as well as the first mainstream […]
51% Attack on Ethereum Classic
blockchainDiscussing 51% Attacks on Blockchain Applications In this webcast, we discuss the 51% attack on the cryptocurrency Ethereum Classic. There are multiple concerns when implementing a blockchain that come from any decentralized proof of work platform. We strongly advise clients to consider the following before deploying a blockchain solution: Do you benefit from having a […]
Twas the night before infosec Christmas – 2018 Edition
UncategorizedTwas the night before Christmas and all over the ‘net, Not a creature was stirring except China hacking Tibet. The IPS were strung by the egress with care, In hopes that St WannaCry soon would be stopped there. The children were nestled all snug in their beds, While IoT devices mined the dreams from their […]
Equifax Report Demonstrates Why Culture Matters
UncategorizedAccording to the Congressional report on Equifax, a root cause of the breach was that Equifax moved the IT security team out from under IT due to “fundamental disagreements.” Although this is highlighted as a shortcoming in the report, in my opinion, this is misguided. In the vast majority of organizations, infosec shouldn’t be under […]