Chaos erupts as cyberattack disrupts learning platform Canvas amid finals

2026-05-08T20:51:50Z48b5deb113ca1ca88671b8a59a17f7f5ce28084947dd79ccc0f9a42fe5f50730
CanvasCopyFailFirefoxIran-linkedLinuxMozillaMythosRussiaai-assisted-vuln-discoveryasp.netauthentication-bypassbackdoorbitwardencheckmarxcredential-theftcritical-infrastructuredaemon-toolselement-datalearning-platformspost-quantum-cryptographyransomwarerouterssupply-chain-attackubuntuzero-day

What happened

Multiple high-impact security incidents and trends reported: a supply-chain backdoor (Daemon Tools) and targeted supply-chain attacks affecting security firms; large-scale compromises (consumer routers hacked by Russia's military; Iran-linked attacks on US critical infrastructure); a disruptive cyberattack on the Canvas learning platform amid finals; a severe new Linux vulnerability family (CopyFail) affecting multi-tenant environments; an open-source package (element-data) exfiltrating credentials; Microsoft emergency fixes for an ASP.NET authentication flaw; and growing use of post-quantum c

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
arstechnica_security
Record identifier
48b5deb113ca1ca88671b8a59a17f7f5ce28084947dd79ccc0f9a42fe5f50730
Enrichment time
2026-05-08T20:51:50Z
AI-assisted enrichment
Yes

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