RSA-250 has been factored. This computation was performed with the Number Field Sieve algorithm, using the open-source CADO-NFS software. The total computation time was roughly 2700 core-years, using Intel Xeon Gold 6130 CPUs as a reference (2.1GHz): RSA-250 sieving: 2450 physical core-years RSA-250 matrix: 250 physical core-years The computation involved tens of thousands of machines … Read More “RSA-250 Factored” »
Three weeks ago (could it possibly be that long already?), I wrote about the increased risks of working remotely during the COVID-19 pandemic. One, employees are working from their home networks and sometimes from their home computers. These systems are more likely to be out of date, unpatched, and unprotected. They are more vulnerable to … Read More “Cybersecurity During COVID-19” »
Microsoft is reporting that an Emotat malware infection shut down a network by causing computers to overheat and then crash. The Emotet payload was delivered and executed on the systems of Fabrikam — a fake name Microsoft gave the victim in their case study — five days after the employee’s user credentials were exfiltrated to … Read More “Emotat Malware Causes Physical Damage” »
They can communicate using bioluminescent flashes: New research published this week in Proceedings of the National Academy of Sciences presents evidence for a previously unknown semantic-like ability in Humboldt squid. What’s more, these squid can enhance the visibility of their skin patterns by using their bodies as a kind of backlight, which may allow them … Read More “Friday Squid Blogging: On Squid Communication” »
Over the past few weeks, Zoom’s use has exploded since it became the video conferencing platform of choice in today’s COVID-19 world. (My own university, Harvard, uses it for all of its classes. Boris Johnson had a cabinet meeting over Zoom.) Over that same period, the company has been exposed for having both lousy privacy … Read More “Security and Privacy Implications of Zoom” »
Investigative report on how commercial bug-bounty programs like HackerOne, Bugcrowd, and SynAck are being used to silence researchers: Used properly, bug bounty platforms connect security researchers with organizations wanting extra scrutiny. In exchange for reporting a security flaw, the researcher receives payment (a bounty) as a thank you for doing the right thing. However, CSO’s … Read More “Bug Bounty Programs Are Being Used to Buy Silence” »
Marriott announced another data breach, this one affecting 5.2 million people: At this point, we believe that the following information may have been involved, although not all of this information was present for every guest involved: Contact Details (e.g., name, mailing address, email address, and phone number) Loyalty Account Information (e.g., account number and points … Read More “Marriott Was Hacked — Again” »
Daniel’s Hosting, which hosts about 7,600 dark web portals for free, has been hacked and is down. It’s unclear when, or if, it will be back up. Powered by WPeMatico
A federal court has ruled that violating a website’s terms of service is not “hacking” under the Computer Fraud and Abuse Act. The plaintiffs wanted to investigate possible racial discrimination in online job markets by creating accounts for fake employers and job seekers. Leading job sites have terms of service prohibiting users from supplying fake … Read More “Clarifying the Computer Fraud and Abuse Act” »
The trade-offs are changing: As countries around the world race to contain the pandemic, many are deploying digital surveillance tools as a means to exert social control, even turning security agency technologies on their own civilians. Health and law enforcement authorities are understandably eager to employ every tool at their disposal to try to hinder … Read More “Privacy vs. Surveillance in the Age of COVID-19” »