Cyber Briefing: 2023.10.31

👉 What’s happening in cybersecurity today? Atlassian, Confluence, Wiki-Slack, BiBi-Linux, Israel, Ransomware, NetScaler, EleKtra-Leak, Cryptojacking, AWS, GitHub, Toronto, Covid-19, India, NASCO, Healthcare, Russia, Pentagon, MOVEit, Costco, SEC, SolarWinds, Canada, WeChat, Kaspersky, iMessage, Apple, Google, Chrome, HackerOne, Bug Hunter.

Welcome to Cyber Briefing, the newsletter that informs you about the latest cybersecurity advisories, alerts, incidents and news every weekday.

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🚨 Cyber Alerts

1. Atlassian Warns of Confluence Vulnerability

Atlassian has issued a warning about a critical security flaw, tracked as CVE-2023–22518, in Confluence Data Center and Server, which holds the potential for “significant data loss if exploited by an unauthenticated attacker.” This vulnerability, rated 9.1 out of 10 on the CVSS scoring system, has been categorized as an “improper authorization vulnerability.” While all versions of Confluence Data Center and Server are vulnerable, specific…