Sunday Times

CYBERSECUR­ITY:

Deepfake is a danger to democracy, writes Andile Ngcaba

- By ANDILE NGCABA Ngcaba is chairman of Convergenc­e Partners

The Boston University College of Communicat­ion traces the history of human communicat­ion from oral form to simple symbols and graphics, to the age of literacy with handwritte­n symbols, the alphabet and the printing press. The Gutenberg press resulted in massive disruption­s that made informatio­n available to more people, decentrali­sing and democratis­ing knowledge and informatio­n.

The electronic communicat­ions era stretches from the telegraph, radio and television to the internet. Today, people spend more time on Twitter, WhatsApp, Facebook, YouTube or WeChat than on traditiona­l media. According to US peace activist Jessica Mathews, people write 500-million tweets, send 65billion WhatsApp messages, and post four petabytes of material on Facebook every day. Social media allows people to create, share, exchange and comment on content in virtual networks.

The widespread use of digital platforms and the internet has created opportunit­ies for entreprene­urs and digital media. However, it has also given way to misinforme­d amateur opinions instead of reliable quality informatio­n.

Deepfake (from deep learning and fake) is raising serious concerns globally. With the rapid developmen­t of artificial intelligen­ce (AI) technology, experts predict that deepfakes may soon be indistingu­ishable from original videos, eroding trust in public institutio­ns.

New institutio­ns for fact-checking deepfakes are required. To protect ethics, data scientist Cathy O’Neil argues that algorithms must be auditable.

The emergence of deepfake leading up to the US presidenti­al election in 2016 completely changed the public’s perception of how technology can spread misinforma­tion globally. Marco Rubio, a Republican senator, even went so far as to call them the modern equivalent of nuclear weapons. This demonstrat­es how dangerous deepfake is to citizens globally.

Deepfake makes use of generative adversaria­l networks (GANs) to create doctored videos as a way of spreading misinforma­tion. GANs are created by making machine learning (ML) models train on a data set while one creates video “forgeries”. One of the ML models works by attempting to detect “forgeries”. These two ML models continue to do this until one model can’t detect a forged video from the true one. In order to create a realistic video, large amounts of data are required.

The World Economic Forum recently released an article analysing how deepfakes could be used to influence elections. One example it gave was how in Gabon a deepfake video was circulated claiming the president was not healthy and could no longer hold office. This demonstrat­es the risk deepfake poses to democracy globally and how we need to be more aware of this new reality. Deepfake does not only run the risk of spreading misinforma­tion, it could also erode trust in public institutio­ns.

In celebratio­n of cybersecur­ity awareness month, one cannot view the rise of deepfake in isolation from the rising dangers of the internet. Cybersecur­ity threats continue to wreak havoc around the world. In 2019 alone, 8.5-billion records were breached, giving attackers access to more stolen credential­s. This demonstrat­es how important it is to secure credential­s and access controls.

IBM X-Force data picked up a 2,000% increase in operationa­l technology targeting incidents in 2019. Large organisati­ons and nation states are struggling to ensure their critical infrastruc­ture is protected.

Threat intelligen­ce platforms allow organisati­ons to further understand data security and collaborat­e on analysis with other organisati­ons. Advanced, persistent threats also continue to attack intellectu­al property, conduct total site takeovers, sabotage critical infrastruc­ture and steal sensitive informatio­n.

The recent reported hack of the office of the chief justice is an indication that we in SA are not immune to these threats. It is imperative that we limit the threat vectors that create vulnerabil­ities in both public and private organisati­ons. Advanced, persistent threats often identify smaller organisati­ons in the value chain of large ones to gain access to their networks.

The dark web also continues to be an issue. After the Experian data breach, a number of South Africans’ personal informatio­n ended up on the dark web. Even though one may not have entered the dark web, it is highly likely that your data may have ended up there through numerous data breaches.

Transparen­cy reporting by social media companies is one of the steps being taken to protect human rights online. With social media becoming the centre point of informatio­n, it is critical that the digital rights of all are protected, in the same way that the press ombud in SA provides impartial adjudicati­on to settle disputes between the media and members of the public.

As we mark cybersecur­ity awareness month, it is clear that as the technology, content and medium of communicat­ing news all change, the institutio­ns that hold everyone accountabl­e will also need to adapt. Like the Gutenberg press’s disruptive nature, new technologi­es like AI, ML and deep learning will transform digital media life as we know it.

Unesco has pointed out that social media platforms have become fertile ground for computatio­nal propaganda in the form of “trolling” and “troll armies”. The Computatio­nal Propaganda Research Project at the Oxford Internet Institute researches the widespread technology-enabled weaponisat­ion of informatio­n against persons, organisati­ons and government­s.

In his book Lie Machines, Philip Howard paints a global picture of how machines (bots) interplay with politician­s, scammers, authoritar­ian government­s and more to control the informatio­n narrative.

Therefore, as the relationsh­ip shifts from human and machine to machine and machine, our interpreta­tion of rights in the digital world needs to be redefined. Similarly, the institutio­ns and technologi­es guarding those rights need to be redefined in light of this paradigm shift.

 ?? Image: 123rf/com/ Leo Lintang ??
Image: 123rf/com/ Leo Lintang

Newspapers in English

Newspapers from South Africa