Security Affairs newsletter Round 442 by Pierluigi Paganini – INTERNATIONAL EDITION

Pierluigi Paganini October 22, 2023

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Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press.

A threat actor is selling access to Facebook and Instagram’s Police Portal
Threat actors breached Okta support system and stole customers’ data
US DoJ seized domains used by North Korean IT workers to defraud businesses worldwide
Alleged developer of the Ragnar Locker ransomware was arrested
CISA adds Cisco IOS XE flaw to its Known Exploited Vulnerabilities catalog
Tens of thousands Cisco IOS XE devices were hacked by exploiting CVE-2023-20198
Law enforcement operation seized Ragnar Locker group’s infrastructure
THE 11TH EDITION OF THE ENISA THREAT LANDSCAPE REPORT IS OUT!
North Korea-linked APT groups actively exploit JetBrains TeamCity flaw
Multiple APT groups exploited WinRAR flaw CVE-2023-38831
Californian IT company DNA Micro leaks private mobile phone data
Threat actors have been exploiting CVE-2023-4966 in Citrix NetScaler ADC/Gateway devices since August
A flaw in Synology DiskStation Manager allows admin account takeover
D-Link confirms data breach, but downplayed the impact
CVE-2023-20198 zero-day widely exploited to install implants on Cisco IOS XE systems
Russia-linked Sandworm APT compromised 11 Ukrainian telecommunications providers
Ransomware realities in 2023: one employee mistake can cost a company millions
Malware-laced ‘RedAlert – Rocket Alerts’ app targets Israeli users 
Cisco warns of active exploitation of IOS XE zero-day
Signal denies claims of an alleged zero-day flaw in its platform
Microsoft Defender thwarted Akira ransomware attack on an industrial engineering firm
DarkGate malware campaign abuses Skype and Teams
The Alphv ransomware gang stole 5TB of data from the Morrison Community Hospital

Cybercrime

Ragnar Locker ransomware gang taken down by international police swoop      

   

Malware

   

   

  

Hacking

  

  

     

        

Intelligence and Information Warfare

Peculiarities of destructive cyber attacks against Ukrainian providers (CERT-UA#7627)

Government-backed actors exploiting WinRAR vulnerability  

  

Cybersecurity

    

  

ENISA Threat Landscape 2023   

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(SecurityAffairs – hacking, newsletter)



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