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Facebook Is Down

Posted on October 5, 2021 By infossl
dns, facebook, internet, Security technology, Uncategorized, whatsapp

Facebook — along with Instagram and WhatsApp — went down globally today. Basically, someone deleted their BGP records, which made their DNS fall apart. …at approximately 11:39 a.m. ET today (15:39 UTC), someone at Facebook caused an update to be made to the company’s Border Gateway Protocol (BGP) records. BGP is a mechanism by which … Read More “Facebook Is Down” »

Microsoft Buys Corp.com

Posted on April 9, 2020 By infossl
dns, microsoft, Security technology, securityengineering, wifi

A few months ago, Brian Krebs told the story of the domain corp.com, and how it is basically a security nightmare: At issue is a problem known as “namespace collision,” a situation where domain names intended to be used exclusively on an internal company network end up overlapping with domains that can resolve normally on … Read More “Microsoft Buys Corp.com” »

Firefox Enables DNS over HTTPS

Posted on February 25, 2020 By infossl
browsers, childpornography, dns, firefox, https, mozilla, Security technology, securityengineering, terrorism

This is good news: Whenever you visit a website — even if it’s HTTPS enabled — the DNS query that converts the web address into an IP address that computers can read is usually unencrypted. DNS-over-HTTPS, or DoH, encrypts the request so that it can’t be intercepted or hijacked in order to send a user … Read More “Firefox Enables DNS over HTTPS” »

New DNS Hijacking Attacks

Posted on April 18, 2019 By infossl
dns, espionage, hacking, maninthemiddleattacks, Security technology

DNS hijacking isn’t new, but this seems to be an attack of unprecedented scale: Researchers at Cisco’s Talos security division on Wednesday revealed that a hacker group it’s calling Sea Turtle carried out a broad campaign of espionage via DNS hijacking, hitting 40 different organizations. In the process, they went so far as to compromise … Read More “New DNS Hijacking Attacks” »

Details on Recent DNS Hijacking

Posted on February 20, 2019 By infossl
dhs, dns, maninthemiddleattacks, Security technology

At the end of January, the US Department of Homeland Security issued a warning regarding serious DNS hijacking attempts against US government domains. Brian Krebs wrote an excellent article detailing the attacks and their implications. Strongly recommended. Powered by WPeMatico

New DDoS Reflection-Attack Variant

Posted on March 7, 2018 By infossl
denialofservice, dns, Security technology

This is worrisome: DDoS vandals have long intensified their attacks by sending a small number of specially designed data packets to publicly available services. The services then unwittingly respond by sending a much larger number of unwanted packets to a target. The best known vectors for these DDoS amplification attacks are poorly secured domain name … Read More “New DDoS Reflection-Attack Variant” »

Hacking a Brazilian Bank

Posted on April 6, 2017 By infossl
banking, dns, fraud, hacking, kaspersky, Security technology, theft

A detailed account. Powered by WPeMatico

Regulation of the Internet of Things

Posted on November 10, 2016 By infossl
denialofservice, dns, economicsofsecurity, internetofthings, laws, Security technology, softwareliability

Late last month, popular websites like Twitter, Pinterest, Reddit and PayPal went down for most of a day. The distributed denial-of-service attack that caused the outages, and the vulnerabilities that made the attack possible, was as much a failure of market and policy as it was of technology. If we want to secure our increasingly … Read More “Regulation of the Internet of Things” »

Yet Another Government-Sponsored Malware

Posted on August 15, 2016 By infossl
advancedpersistentthreats, airgaps, cyberespionage, dns, malware, Security technology

Both Kaspersky and Symantec have uncovered another piece of malware that seems to be a government design: The malware — known alternatively as “ProjectSauron” by researchers from Kaspersky Lab and “Remsec” by their counterparts from Symantec — has been active since at least 2011 and has been discovered on 30 or so targets. Its ability … Read More “Yet Another Government-Sponsored Malware” »

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