@mikko Profile picture
Technology speaker and author. Chief Research Officer at WithSecure. Principal Research Advisor at F-Secure. Advisory board member at Verge Motorcycles.
Juha Kukkula Profile picture 🌕🐲🐺 A³🔜 FURUM🇲🇾 2024 🔻🍉 Profile picture KreeD Profile picture Jyri Autio Profile picture 4 subscribed
May 5, 2023 11 tweets 3 min read
40 years ago, on May 5th 1983, Atari released Star Wars. The game was *amazing*, with color vector graphics. Source code for this classic is nowadays on Github, thanks to Historical Source. github.com/historicalsour…
Aug 20, 2022 13 tweets 4 min read
According to pretty scientific poll, 70% of my followers still have magnetic stripes in their credit cards—which is technology from the 1970s! Here's a short thread about some of the similar encoding systems that are all around us. Nowadays, barcodes can be found in nearly every product we buy in stores. Developed in the 1950s, barcodes were originally based on the Morse code.
Aug 3, 2022 15 tweets 3 min read
China is rising as an online superpower, a thread: The Internet has been firmly controlled by the United States. People around the world use services—such as search engines, cloud services, and social media services—built in the United States.
Jul 1, 2022 4 tweets 2 min read
Nasdaq welcomes F-Secure (ticker:FSECURE) after a partial demerger from WithSecure (ticker: WITH) It's real. The largest cyber security company in the Nordics has been split into two. Image
Jun 8, 2021 4 tweets 2 min read
Thread on the AN0M app saga. Countries that participated in operation Trojan Shield: Canada, Australia, US, Sweden, The Netherlands, Lithuania, Finland, Hungary, Norway, Austria, UK, New Zealand, Estonia, Scotland, Germany, Denmark.
#anom #an0m
Apr 4, 2021 4 tweets 1 min read
Mark Zuckerberg's own data is in the Facebook leak. His Facebook ID number is 4. There are no user IDs 0-3. The only other single-digit user IDs in the leak seem to be:
ID 5: Chris Hughes
ID 6: Dustin Moskovitz
Feb 18, 2021 5 tweets 1 min read
The Norwegian sovereign wealth fund (the largest fund of its kind in the world) was hit in the Solarwinds hack. dn.no/teknologi/olje… "The 11179 billion NOK fund downloaded a compromised version of the Solarwinds Orion platform and installed it in July 2020, In December, they realized that it had installed a compromised version of the Solarwinds software."
Feb 11, 2021 5 tweets 1 min read
Psychotherapy Center Vastaamo has just declared bankruptcy. This is a direct result of them getting hacked. It is actually very rare for companies to fold just because they get hacked, even if they get hacked really badly. Ashley Madison recovered. Global Payments recovered. Equifax recovered. Solarwinds looks like it's going to recover too.
Oct 2, 2020 5 tweets 2 min read
The Finnish national Covid-19 contact tracing mobile app (by the @THLorg agency) has now been out for a month. Some notes: The app has been downloaded 2.2 million time so far (Finland has 5.5 million people). We’ve had 1800 confirmed infected persons during this time. Of those, 600 persons were users of the app, and used the app to warn their potential contacts.
Sep 26, 2020 5 tweets 2 min read
On this day in 1990: Chris Roberts (@croberts68) and Origin Systems release Wing Commander. With excellent graphics and a moving storyline, Wing Commander changed the gaming world.
Sep 14, 2020 6 tweets 2 min read
«We’ve extracted text data from tens of thousands of PDF documents. In the process, we have seen how every single assumption we had about how PDF files are structured was proven incorrect» The PDF file format specification has 971 pages.

iso.org/standard/63534…
Sep 14, 2020 4 tweets 1 min read
How tables turn. Eight years later, Nvidia’s market valuation is over three times higher than AMD. Intel (est. 1968)
Market cap: $209B

AMD (est. 1969)
Market cap: $89B

Nvidia (est. 1993)
Market cap: $300B
Sep 11, 2020 4 tweets 1 min read
The most popular TLDs, with the amount of registered domain names:

.com 149,440,358
.tk26,621,459
.cn16,152,839
.de14,923,770
.net13,249,816
.org10,245,184
.uk10,231,591
.icu5,657,577
.ga5,500,532
.nl5,305,298
.cf4,883,818
.ru4,859,397
.ml4,439,191 Having .com as the most popular top-level domain is not surprising, but some of the runner-ups are. How often do you visit an .icu domain? Or .ga or .cf or .ml?

(Data source: @DomainTools)
Aug 18, 2020 4 tweets 1 min read
Indeed, TikTok would the be the perfect match for Oracle's existing customer base. What's next? SAP buying Fortnite?
Aug 6, 2020 4 tweets 4 min read
DEF CON 28: this weekend, all weekend. The 2020 virtual event is free to attend. You don't have to register. defcon.org This year, we have 3 speakers from F-Secure at DEF CON, hacking all the cars and all the clouds:
@VicHarkness
@_Skybound
@nojonesuk ImageImageImage
Jul 15, 2020 5 tweets 1 min read
Ten years ago: first tweets about a new malware using a weird LNK vulnerability. Early names we used for it included 'W32.Temphid!lnk' and 'Rootkit.Tmphider'. Later, it was renamed...to Stuxnet. Stuxnet contained these strings:
".stub" and "MrxNet.sys".
That's where the name "Stuxnet" came from.
Jun 3, 2020 4 tweets 2 min read
France has succesfully shipped their national bluetooth Contact Tracing app. It's available in both app stores now.

Apple: apps.apple.com/app/stopcovid-…
Android: play.google.com/store/apps/det… Image Developers behind the app include Inria, ANSSI and Withings. Importantly, they have published the source code as well: gitlab.inria.fr/stopcovid19/ac… Image
Apr 19, 2020 8 tweets 5 min read
Broadcast Teletext used to be a common TV service since the 1970s, especially in Europe. Now it’s mostly extinct. BBC stopped their Teletext in 2012. Image However, in Finland Teletext is alive an kicking. Many TV channels offer Teletext news, weather and more. Here’s Teletext on my TV, showing service from the Finnish Broadcasting Company YLE. Image
Feb 3, 2020 4 tweets 1 min read
A new search engine from NSA, apparently. captcha.nsa.gov
Feb 3, 2020 19 tweets 4 min read
1/ Practically every startup ends up writing code, even if technology wouldn't be the main focus of the company. Here’s a checklist I made to help you and your hot new startup avoid the most common infosec pitfalls. [thread] 2/ Speed is the enemy of security.
The faster you move, the faster you develop, the faster you deploy — the less time you have for bug checking, quality assurance and testing. Security is not something you can add to a ready product, it has to be built in from the design phase.
Apr 22, 2019 11 tweets 2 min read
Small thread on our our website, which was started on this day in 1994: In 1994, there were 3 million people online. Today, there are 4353 million people online (according to IWS)