‘Susan Harris is alone in the house when, suddenly, doors lock, windows slam shut and the phone stops working. Susan is trapped by an intruder – but this is no ordinary thug. Instead, the intruder is a computer named Proteus, an artificial brain that has learned to reason. And to terrorize…’
The 1977 film Demon Seed, a story about an AI gone rogue may have been a tad melodramatic on the danger that artificial intelligence poses to man, but it did have some smart insight into home automation and its potential malfunctions.
From healthcare and home automation to transport and the oil and gas industry, the Internet of Things (IoT) is rapidly growing. Researchers Garner Inc predicted that by 2020, there will be 20.4 billion IoT devices connected to the internet.
So whilst you are watching films on your smartwatch, asking your home to warm up to a prefered temperature, and perhaps negotiating what constitutes as burnt with your toaster, spare a thought for the testers. The men and women toiling behind closed doors to ensure that these devices actually work as intended.
So what are the challenges software testers face when testing IoT devices?
Firstly, there’s the obvious – is it safe?
A quick search of IoT will bring a plethora of articles discussing security concerns with IoT. However, rather than worrying your kettle might be spying on you, there is the very real concern of adding new or breachable devices to your trusted networks. With a laptop or computer software can be installed to protect devices, but for IoT devices the support is slim. Many devices also have default usernames and passwords that the average user never changes, making them vulnerable.
Testers must also consider the wider affect IoT devices can have on internet security. One only needs to look back to the

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