Monthly Archives: April 2010

the Security of Internet Banking in South Korea in 2010

For those of you who have followed my blog, you know that it has been 3 years since I first reported on the fact that Korea does not use SSL for secure transactions over the Interent but instead a PKI mechanism that limits users to the Windows OS and Internet Explorer as a browser. Nothing fundamentally has changed but there are new pressures on the status quo that may break open South Korean for competition in the browser market in the future.

In fact, one of the new pressures on the status quo has been the popularity of the iPhone in South Korea, which wasn’t available officially until late 2009 due to a different Korean software middle-ware requirement, WIPI, which has since been deprecated. With WIPI dead and buried, Apple released the iPhone to great fanfare in the Korean market and Blackberry has also launched in the Korean market.

Another pressure on the status quo was a recent report out from 3 researchers (Hyoungshick Kim, Jun Ho Huh and Ross Anderson) from the University of Oxford’s Computing Laboratory, “On the Security of Internet Banking in South Korea.

South Korean Internet banking systems have a unique way of enforcing security controls. Users are obliged to install proprietary security software – typically an ActiveX plugin that implements a bundle of protection mechanisms in the user’s browser. The banks and their software suppliers claim that this provides trustworthy user platforms. One side-effect is that almost everyone in Korea uses IE rather than other browsers.

We conducted a survey of bank customers who use both Korean and other banking services, and found that the Korean banks’ proprietary mechanisms impose significant usability penalties. Usability here is strongly correlated with compatability: Korean users have become stuck in an isolated backwater, and have not benefited from all the advances in mainstream browser and security technology. The proprietary mechanisms fail to provide a trustworthy platform; what’s more, alternative strategies based on trustworthy computing techniques are quite likely to suffer from the same usability problems. We conclude that transaction authentication may be the least bad of the available options.

The popularity of the iPhone (the press claims 500,000 units sold in the few months since it was released) resurfaced the issue that only Windows and IE can be used to make secure transactions with Korean Internet services. iPhone/Blackberry/Android users in Korea (not to mention Firefox/Opera/Safari/Chrome users) cannot bank online or purchase items online or do any secure transaction with the smartphone browser because Korean services only support the PKI mechanism that only works with Active-X in IE and Windows.

Dr. Keechang Kim of Korea University has been working tirelessly for many years to try to change the status quo in Korea around browsers and the reliance on a PKI mechanism that is tied to one platform. With concern being raised by different parts of the Korean government, including the Korean Communications Commission as well as the Office of the President of Korea, Keechang has gathered a very interesting panel of presentations for April 29th in Seoul.  The panelists will be addressing the (Korean) Financial Supervisory Service (FSS) which is the regulatory body in Korea that is currently mandating the PKI mechanism that is in place today (which requires Active-X, etc.)  Unless the FSS relaxes or changes their regulations, Korean banks cannot offer other mechanisms for Korean users to bank online, etc.  In short, unless the FSS changes their stance, nothing will change in Korea.

Security Issues of Online Banking & Payment in Korea” is an open public meeting (registration recommended) starting at 10 AM on April 29th at COEX Conference Hall E1 and will feature:

  • Bruce Schneier (Chief Security Technology Officer, BT) on “Security: What Works, What Doesn’t, and Why”
  • Hyoungshick Kim, Jun Ho Huh (Univ. of Oxford) “What’s the danger of mandating proprietary security solutions?”
  • Lucas Adamski (Dir. Security Engineering, Mozilla) on “Securing Browser Interactions”

Again this meeting is open to the public. Anyone is welcome to attend.

While I have no illusions that one meeting will get the key Korean government entities to do a 180 from their current stance, I do think this will be an important opportunity to bring external, Korean and non-Korean security expertise to Korea to discuss the current state of affairs and show that a PKI-based security architecture is only as secure as the computers that those certificates are used on.  If the computers are compromised, and at least one security services provider, Network Box, claims that S. Korea is the largest source for malware in the world, (Korea reigns as king of malware threats) then there is no way to be sure that the person in control of those personal certificates is the legitimate owner.

The deletion of the requirement for WIPI in Korean mobile phones opened the Korean market to the iPhone and the Blackberry and Android phones from outside of Korea.  Korean users of these new smartphones realized that they could not bank online, buy online, etc. and are now pressuring the Korean government to change the current laws which mandate a PKI-based mechanism that has been implemented with Active-X.  As the popularity of smartphones that cannot make use of the current PKI-based architecture for encryption/authentication grows in Korea, the pressure for the government to change their regulations will only mount.  The key question for Mozilla is whether the Korean government will open up to a point where Firefox and Fennec can be used in the future for secure transactions in Korea.

Thank you to Keechang and everyone in the community for your tireless efforts to try to break open the Korean market. Thank you also to Channy Yun who has put aside his own schedule in order to participate and guide Lucas in Seoul.  There is still a long road to walk to an open, competitive market in S. Korea for browsers, but I am starting to see the light at the end of the tunnel.

US ISP redirects DNS in Firefox toolbar

Disturbing news from the US.

Windstream Communications, a large ISP based on the East Coast of the US, has been caught using DNS redirection of the search results from the Google Toolbar in Firefox. Users using the Google Toolbar in Firefox were served a Windstream search results page, not a Google search results page. I’m not clear how this could even be done but this should never ever happen.

Windstream Hijacking Firefox Google Toolbar Results – Users kick back, Windstream promises correction tonight

Once their customers started complaining, Windstream representatives posted at that

“I won’t go into the technical details, but this was not a desired result to modify the Firefox search field regardless of which search provider is used in the browser.”

Somehow I can’t give this company the benefit of the doubt.


Firefox redirects to windstream communications search results when I do a Google search in the search bar. (Mozilla Firefox support forums)


How do I remove a web search redirect? (Google Web Search Help Forum)

on building community with Chris Blizzard

Chris Grams interviews Chris Blizzard at on the topic of building community in open source. The five questions in question are:

1. When I first met you ten years ago, you were a Red Hat employee with a day job keeping the website up and running, and, even then, you were hacking on Mozilla for fun in your spare time. Now you run developer relations for Mozilla, and you’ve had some other amazing experiences, including working on the One Laptop Per Child project, along the way.It strikes me that you are a great case study of someone who has achieved success in the meritocracy of open source by doing good work. Knowing what you know now, if you were starting from ground zero as a community contributor, how would you get started?

2. Firefox is arguably the most successful open source project from a mainstream consumer standpoint. Meaning, it not only has an active community of developers, but it also attracts a broad community of users from all walks of life. Why has Firefox succeeded at reaching a mainstream audience when other open source projects (like the Linux desktop) have struggled?

3. Mozilla has a noble mission, beautifully articulated here, of “encouraging choice, innovation and opportunity online.” What role to do you feel this mission plays in attracting developers to work on Mozilla projects? Are most developers oblivious to it and just want to work on cool technology? Or is the mission meaningful to them?

4. What’s the dumbest thing a company can do when trying to build an active, engaged community of contributors?

5. And what’s the smartest thing?

Five questions about building community with Chris Blizzard of Mozilla |