I have known for a long time that there is no such thing as ‘perfect online security’. But I do try to apply at least some of the guidance taught by experts. Not just on my computers, but also (and foremost!) on mobile devices – even your phone texts (SMS traffic here in Europe) give away a lot of information to anyone who cares to intercept it. But it’s hard to know what to do exactly, and for a long time advice was scattered all over the internet, in blog posts, articles, etc., each mostly about a single subject.
The last few months, the situation has improved considerably, thanks to the efforts by a number of essential players in the field. I’ll enumerate the most prominent of sources here.

The Electronic Frontier Foundation created the Surveillance Self-Defence website. This site contains a whole series of articles ranging from explanations on how parts of the web work to tutorials on how to manage passwords or using PGP for your email. You’ll need a lot of time to read and digest all the information on this site, but the level of detail provided is certainly worth the effort. In their own words:
SSD includes step-by-step tutorials for installing and using a variety of privacy and security tools, but also aims to teach people how to think about online privacy and security in a sophisticated way that empowers them to choose appropriate tools and practices even as the tools and adversaries change around them.
I hope I don’t have to tell you that the EFF is an essential resource to keep up to date with subjects like digital privacy, free speech, and innovation?
The Security Planner project is an initiative of the Citizen Lab, an interdisciplinary group based at the Munk School of Global Affairs at the University of Toronto. The project has a strong academic approach, including peer review of all its publications, and its advisors include Bruce Schneier (whom I have quoted already several times on this blog!).
The principal motivation for Security Planner was our shared experiences (and frustrations) when we are regularly asked the question: “what could average people do to protect themselves online”? Although there are some good guides out there, there is also a lot of conflicting advice.
The advice on Security Planner is organised around themes like ‘Computer’, ‘Online Accounts’ and ‘Phone’, and they clearly indicate what you can gain w<hen you implement their advice. Currently available in English, they are promising versions in Spanish and French soon.
On the WIRED website, you’ll find their ‘Guide to Digital Security’. Just ignore the garish design of the home page, the articles are worthwhile reading.
In this guide, we’ve included a few ways to improve your online security posture based on those different levels of risk. These won’t prevent the next megabreach or banish ransomware from the earth. They’re not all-encompassing. But they’ll help get you in the mindset of the types of steps you should be taking based on your particular situation.
Wired includes a discussion of Google’s Advanced Protection, and talks about the use of Faraday cages and blankets (yes, blankets!) as part of a sophisticated security approach. Specialised stuff, indeed, and overkill for most of us – but it may help you be aware of all the threats that exist in the real world.
You may also have a look at the (long) article titled ‘The Motherboard Guide to Not Getting Hacked’ over at the website of Motherboard (part of Vice). It’s not as comprehensive as the previous sources mentioned here, but it contains a lot of links that may be of use to you. And for my part you can quote them when talking to your employer:
And if your employer asks you to change passwords periodically in the name of security, please tell them that’s a terrible idea. If you use a password manager, two-factor authentication (see below), and have unique strong passwords for every account there’s no need to change them all the time—unless there’s a breach on the backend or your password is stolen somehow.
The above sources are mainly directed towards individuals. If you want some pointers about how to deal with privacy and security for groups, have a look at the ‘Cybersecurity Campaign Playbook’, published by the Belfer Center for Science and International Affairs (Harvard Kennedy School) in November 2017. The approach here not only includes subjects talked about in the previous sources I mentioned, but includes the ‘human factor’. In their words, when talking about a campaign to get elected for public office:
In today’s campaigns, cybersecurity is everyone’s responsibility. Human error has consistently been the root cause of publicized cyber attacks, and it’s up to the candidate and campaign leaders to weave security awareness into the culture of the organization.
That brings us back to the main point in all these publications: if you’re using computers, tablets, smartphones and other devices, be aware of the risks – and act accordingly!
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