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McDonald’s job app exposes data of 64 Million applicants

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U.S. CISA adds MRLG, PHPMailer, Rails Ruby on Rails, and Synacor Zimbra Collaboration Suite flaws to its Known Exploited Vulnerabilities catalog

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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 52

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Security Affairs newsletter Round 531 by Pierluigi Paganini – INTERNATIONAL EDITION

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password spraying

Pierluigi Paganini April 27, 2025
Storm-1977 targets education sector with password spraying, Microsoft warns

Microsoft warns that threat actor Storm-1977 is behind password spraying attacks against cloud tenants in the education sector. Over the past year, Microsoft Threat Intelligence researchers observed a threat actor, tracked as Storm-1977, using AzureChecker.exe to launch password spray attacks against cloud tenants in the education sector. AzureChecker.exe connected to sac-auth[.]nodefunction[.]vip to download AES-encrypted data, which, […]

Pierluigi Paganini November 03, 2024
Chinese threat actors use Quad7 botnet in password-spray attacks

Microsoft warns Chinese threat actors are using the Quad7 botnet to carry out password-spray attacks and steal credentials. Chinese threat actors use the Quad7 botnet in password-spray attacks to steal credentials, Microsoft warns. Quad7 botnet, also known as CovertNetwork-1658 or xlogin, was first spotted in the summer of 2023 by security researcher Gi7w0rm. In September 2024, […]

Pierluigi Paganini December 13, 2023
OAuth apps used in cryptocurrency mining, phishing campaigns, and BEC attacks

Microsoft warns that threat actors are using OAuth applications cryptocurrency mining campaigns and phishing attacks. Threat actors are using OAuth applications such as an automation tool in cryptocurrency mining campaigns and other financially motivated attacks. The attackers compromise user accounts to create, modify, and grant high privileges to OAuth applications to carry out malicious activity […]

Pierluigi Paganini September 16, 2023
Iranian Peach Sandstorm group behind recent password spray attacks

Iran-linked Peach Sandstorm APT is behind password spray attacks against thousands of organizations globally between February and July 2023. Microsoft researchers observed a series of password spray attacks conducted by Iran nation-state actors as part of a campaign named Peach Sandstorm (aka Holmium, APT33, Elfin, and Magic Hound). The APT33 group has been around since at least […]

Pierluigi Paganini November 01, 2021
Microsoft warns of an increase in password spraying attacks

The Microsoft Detection and Response Team (DART) warns of a rise in password spray attacks targeting valuable cloud accounts. The Microsoft Detection and Response Team (DART) observed a worrisome rise in password spray attacks targeting privileged cloud accounts. Password spraying is a type of brute force attack where the attackers carry out brute force logins based […]

Pierluigi Paganini October 11, 2021
Iran-linked DEV-0343 APT target US and Israeli defense technology firms

DEV-0343: Iran-linked threat actors are targeting US and Israeli defense technology companies leveraging password spraying attacks. Researchers at Microsoft Threat Intelligence Center (MSTIC) and Microsoft Digital Security Unit (DSU) uncovered a malicious activity cluster, tracked as DEV-0343, that is targeting the Office 365 tenants of US and Israeli defense technology companies. Threat actors are launching extensive […]

Pierluigi Paganini January 09, 2021
SolarWinds hackers also used common hacker techniques, CISA revealed

CISA revealed that threat actors behind the SolarWinds hack also used password guessing and password spraying in its attacks. Cybersecurity and Infrastructure Security Agency (CISA) revealed that threat actors behind the SolarWinds supply chain attack also employed common hacker techniques to compromise the networks of the targeted organizations, including password guessing and password spraying. “Frequently, […]

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    recent articles

    McDonald’s job app exposes data of 64 Million applicants

    Hacking / July 12, 2025

    Athlete or Hacker? Russian basketball player accused in U.S. ransomware case

    Uncategorized / July 11, 2025

    U.S. CISA adds Citrix NetScaler ADC and Gateway flaw to its Known Exploited Vulnerabilities catalog

    Hacking / July 11, 2025

    UK NCA arrested four people over M&S, Co-op cyberattacks

    Cyber Crime / July 10, 2025

    PerfektBlue Bluetooth attack allows hacking infotainment systems of Mercedes, Volkswagen, and Skoda

    Hacking / July 10, 2025

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