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Author: The Conversation
Most of the classic New Year resolutions revolve around improving your health and lifestyle. But this year, why not consider cleaning up your passwords too? We all know the habits to avoid, yet so many of us do them anyway: using predictable passwords, never changing them, or writing them on sticky notes on our monitor. We routinely ignore the recommendations for good passwords in the name of convenience. What’s wrong with your pa$$w0rd? Choosing short passwords containing common names or words is likely to lead to trouble. Hackers can often guess a person’s passwords simply by using a computer to…
With Lana Wachowski’s The Matrix Resurrections about to hit theatres, we’re going to see a lot of criticism interpreting siblings Lana and Lilly Wachowskis’ body of films through a trans lens. I’m really looking forward to it: it’s a great opportunity for trans critics, and there are so few Hollywood movies – or pop culture in general – with openly trans creators for us to talk about. Lilly Wachowski, quoted in the excellent Cael M. Keegan text The Wachowskis: Sensing Transgender, once said: “There’s a critical eye being cast back on Lana’s and my work through the lens of our…
Log4Shell, an internet vulnerability that affects millions of computers, involves an obscure but nearly ubiquitous piece of software, Log4j. The software is used to record all manner of activities that go on under the hood in a wide range of computer systems. Jen Easterly, director of the U.S. Cybersecurity & Infrastructure Security Agency, called Log4Shell the most serious vulnerability she’s seen in her career. There have already been hundreds of thousands, perhaps millions, of attempts to exploit the vulnerability. So what is this humble piece of internet infrastructure, how can hackers exploit it and what kind of mayhem could ensue?…
It is not surprising that many of us have been suffering from digital overload during the pandemic, and taking care of our “digital wellbeing” has become a common theme. Social media, online shopping, making reservations, and even necessary chores like paying bills have meant that technology has pervaded every aspect of our lives. Whether home schooling or working from home, our mobile phones have never been far from our side. We’ve even embraced video communication technology for keeping in touch with friends and loved ones, whether they live locally or thousands of miles away. To be frank, it can be…
Artificial intelligence (AI) was once the stuff of science fiction. But it’s becoming widespread. It is used in mobile phone technology and motor vehicles. It powers tools for agriculture and healthcare. But concerns have emerged about the accountability of AI and related technologies like machine learning. In December 2020 a computer scientist, Timnit Gebru, was fired from Google’s Ethical AI team. She had previously raised the alarm about the social effects of bias in AI technologies. For instance, in a 2018 paper Gebru and another researcher, Joy Buolamwini, had showed how facial recognition software was less accurate in identifying women…
It comes as no surprise that children are spending more time watching screens as a result of the COVID-19 pandemic. Parents and caregivers in many parts of the world – including South Africa, where I have done research on children’s healthy behaviours – have had a hard time managing their children’s screen time in these last two years. Juggling working-from-home commitments, online educational activities, economic challenges, and illness and grief have been realities, to varying extents, across most households. Screen time can offer a welcome relief when it has all become too difficult to manage. Global studies have found that…
When you enter your personal information or credit card number into a website, do you have a moment of hesitation? A nagging sense of vulnerability prompted by the parade of headlines about data breaches and hacks? If so, you probably push those feelings aside and hit the submit button, because, well, you need to shop, apply for that job, file that insurance claim, apply for that loan, or do any of the other sensitive activities that take place online these days. First, the bad news. If you regularly enter sensitive information online, chances are you’ve had some data stolen somewhere…
The World Health Organisation and the COVID Vaccines Global Access (COVAX) initiative announced in mid-2021 that they were working with a consortium to establish the first COVID messenger RNA (mRNA) vaccine technology transfer hub on the African continent, in South Africa. The Conversation Africa’s Natasha Joseph spoke with Petro Terblanche, Afrigen’s managing director and a professor at South Africa’s North-West University, about what this work entails – and what it will mean for the continent. What is a technology transfer hub? The technology transfer model is designed to create a platform that facilitates localised manufacturing of vaccines and stimulates vaccine…
Nigeria recently became the first African country to introduce a digital currency. It joins the Bahamas and the Eastern Caribbean Central Bank in being among the first jurisdictions in the world to roll out national digital currencies. The Conversation Africa’s Wale Fatade asks Iwa Salami what a digital currency is and whether Nigeria can achieve its aims of introducing the currency. What is a digital currency and how does it work? A digital currency is a means of payment or money that exists in a purely electronic form. Central bank digital currencies are issued and regulated by the nation’s monetary…
South Africa is one of the leading countries in Africa in terms of COVID vaccine rollout, along with Mauritius, Tunisia and Morocco. It has, however, had it’s fair share of challenges. Shabir Madhi has been a key player in shaping the country’s response. Ina Skosana and Ozayr Patel asked him for an assessment of plans to vaccinate adolescents, and next steps. Pasha 132: Why South Africa should not vaccinate 12 to 17-year-olds yet. The Conversation Africa, CC BY-NC-ND23.3 MB (download) Should South Africa be vaccinating adolescents? I don’t believe this is the most efficient use of the vaccines. In a…