SL visste att spärrarna var farliga

Turnstyles

The installation manual of the passage system in the Stockholm shows that Storstockholms Lokaltrafik (SL) was well aware of their dangers long before media informed about it, yet did nothing about it for years.
[Full article in Swedish]

Bubblegum Denial of Service Attack on Clear Channel “Play Subway” Digital Signage

The Clear Channel digital signage network “Subway Play” is vulnerable to bubblegum. A malicious attacker could easily cause a denial of service and likely also damage internal hardware by applying gum or similar other substance to ventilation exhaust grilles.