Lesson plan
XcodeGhost
XcodeGhost (and variant XcodeGhost S) are modified versions of Apple's Xcode development environment that are considered malware. The software first gained widespread attention in September 2015, when a number of apps originating from China harbored the malicious code. It was thought to be the "first large-scale attack on Apple's App Store", according to the BBC. The problems were first identified by researchers at Alibaba, a leading e-commerce firm in China. Over 4000 apps are infected, according to FireEye, far more than the 25 initially acknowledged by Apple, including apps from authors outside China. Security firm Palo Alto Networks surmised that because network speeds were slower in China, developers in the country looked for local copies of the Apple Xcode development environment, and encountered altered versions that had been posted on domestic web sites. This opened the door for the malware to be inserted into high profile apps used on iOS devices. Even two months after the initial reports, security firm FireEye reported that hundreds of enterprises were still using infected apps and that XcodeGhost remained "a persistent security risk". The firm also identified a new variant of the malware and dubbed it XcodeGhost S; among the apps that were infected were the popular messaging app WeChat and a Netease app Music 163.
Article summary
XcodeGhost (and variant XcodeGhost S) are modified versions of Apple's Xcode development environment that are considered malware. The software first gained widespread attention in September 2015, when a number of apps originating from China harbored the malicious code. It was thought to be the "first large-scale attack on Apple's App Store", according to the BBC. The problems were first identified by researchers at Alibaba, a leading e-commerce firm in China. Over 4000 apps are infected, according to FireEye, far more than the 25 initially acknowledged by Apple, including apps from authors outside China. Security firm Palo Alto Networks surmised that because network speeds were slower in China, developers in the country looked for local copies of the Apple Xcode development environment, and encountered altered versions that had been posted on domestic web sites. This opened the door for the malware to be inserted into high profile apps used on iOS devices. Even two months after the initial reports, security firm FireEye reported that hundreds of enterprises were still using infected apps and that XcodeGhost remained "a persistent security risk". The firm also identified a new variant of the malware and dubbed it XcodeGhost S; among the apps that were infected were the popular messaging app WeChat and a Netease app Music 163.
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.