CrashStealer: New macOS Infostealer Uses Signed Apps to Evade Gatekeeper

2026-07-14T08:51:46Z9c21eb38f2471de564ecccebc0d4dd529bf87ff25abba2a813ee15197cd42db8
AES encryptionCISACMS exploitationCVE-2008-4128Cisco IOSCrashStealerEU sanctionsFSB-linked actorsGatekeeper bypassJoomlaKEVProgress ShareFileRyukWordPresscredential theftcrypto-walletsdata breachincident responseinfostealermacOSransomwaresigned appsthird-party breachwebshells

What happened

Multiple active threats and incidents reported: a new macOS infostealer named CrashStealer (signed app to bypass Gatekeeper) is in-the-wild and steals credentials and crypto wallets, encrypting exfiltrated data with AES; a third-party breach exposed Lidl online-shop customer personal data in Germany/Belgium/Netherlands; CISA added Cisco IOS flaw CVE-2008-4128 to its Known Exploited Vulnerabilities catalog; Australia warned of a large CMS exploitation campaign deploying webshells against WordPress, Joomla and other sites; Dutch suspects are linked to the Odido breach affecting ~6M customers; EU

Why it matters

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

Evidence and limitations

Source ID
securityaffairs
Record identifier
9c21eb38f2471de564ecccebc0d4dd529bf87ff25abba2a813ee15197cd42db8
Enrichment time
2026-07-14T08:51:46Z
AI-assisted enrichment
Yes

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