Slack, the popular communication platform used by businesses worldwide, has recently taken action to address a potential security flaw related to its AI features. The company has rolled out an update to fix the issue and reassured users that there is no evidence of unverified access to their data. This move follows reports from cybersecurity experts who identified a possible weakness in Slack’s AI capabilities that could be exploited by malicious actors.
The security concern was first brought to attention by PromptArmor, a cybersecurity firm that specialises in identifying vulnerabilities in AI systems. The firm raised alarms over the potential misuse of Slack’s AI functions, particularly those involving ChatGPT. These AI tools were intended to improve user experience by summarising discussions and assisting with quick replies. However, PromptArmor warned that these features could also be manipulated to access private conversations through a method known as “prompt injection.”
Prompt injection is a technique where an attacker tricks the AI into executing harmful commands that are hidden within seemingly harmless instructions. According to PromptArmor, this could allow unauthorised individuals to gain access to private messages and even conduct phishing attacks. The firm also noted that Slack’s AI could potentially be coerced into revealing sensitive information, such as API keys, which could then be sent to external locations without the knowledge of the user.
PromptArmor outlined a scenario in which an attacker could create a public Slack channel and embed a ma
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