Entries by Hans-Petter Fjeld

Blocking cyber attacks; Why you should understand adversary playbooks

This blog post is a summary of this weeks Information Security News put together by our Security Incident Response Team (SIRT).

BF-SIRT Newsletter 2018-30

New Spectre attack enables secrets to be leaked over a network In a paper named “NetSpectre: Read Arbitrary Memory over Network” researchers from Graz University of Technology, including one of the original Meltdown discoverers, Daniel Gruss, have described NetSpectre: a fully remote attack based on Spectre. With NetSpectre, an attacker can remotely read the memory […]

BF-SIRT Newsletter 2018-26

Gentoo shows off prompt and professional security response after minor breach A weak administrator password allowed an unknown attacker to gain access to the Gentoo Linux distribution’s GitHub account and lock developers out of it. The GitHub repositories of Gentoo are only downstream mirrors from the self-hosted Gentoo.org infrastructure. From an organizational standpoint, Gentoo’s handling […]

BF-SIRT Newsletter 2018-23

New Vulnerability Found in All Modern Intel CPUs Another security vulnerability has been discovered in Intel chips that affects the processor’s speculative execution technology. Dubbed Lazy FP State Restore, the vulnerability (CVE-2018-3665) within Intel Core and Xeon processors has just been confirmed by Intel, and vendors are now rushing to roll out security updates in […]

BF-SIRT Newsletter 2018-16

State-Sponsored Cyber Actors do State-Sponsored Cyber Actor stuff US-CERT published a joint Technical Alert (TA) resulting from efforts between the Department of Homeland Security (DHS), the Federal Bureau of Investigation (FBI), and the United Kingdom’s National Cyber Security Centre (NCSC) providing information on the worldwide cyber exploitation of network infrastructure devices (e.g., router, switch, firewall, […]

BF-SIRT Newsletter 2018-12

Bitcoins blockchain poisoned Researchers from the RWTH Aachen University and Goethe University, Germany, have uncovered images and links to child pornography in cryptocurrency Bitcoin’s blockchain. The analysis found that certain content, such as illegal pornography, would render the mere possession of a blockchain illegal, with data distributed to all Bitcoin participants. Version 7 of CIS […]

BF-SIRT Newsletter 2018-04

It has been announced that hackers from the Dutch intelligence service AIVD have provided the FBI with crucial information about Russian interference with the American elections. This seem to be a good showcase of cyber warfare and capabilities. Maersk chair detailed the reinstall “4,000 new servers, 45,000 new PCs, and 2,500 applications” after the NotPetya attack […]

BF-SIRT Newsletter 2018-01

Meltdown and Spectre, two security flaws said to be affecting almost all CPUs released since 1995, was announced this week, and will probably haunt us for years to come. Exploit code used in the Mirai malware variant called Satori, which was used to attack hundreds of thousands of Huawei routers over the past several weeks, […]

BF-SIRT Newsletter 2017-51

Google’s Project Zero released details of a local proof-of-concept attack against a fully patched Windows 10 PC that allows an adversary to execute untrusted JavaScript outside a sandboxed environment on targeted systems. These vulnerabilities was patched this month, and they have a great technical write up. Dutch security firm Fox-IT has gone public about a […]