Sunday , August 23 2026

Daily Cybersecurity update, July 31, 2023

01

The University of Guelph, Canada, is notifying students of a data breach involving personal information accessed through a third-party security company. The breach exposed student IDs, names, and dates of birth.
02
The BAZAN Group, Israel’s largest oil refinery operator, experienced a cyberattack, resulting in the inaccessibility of its website from most parts of the world. The Iranian threat group, Cyber Avengers, claimed responsibility.
03
Call of Duty: Modern Warfare 2 servers were taken offline due to a self-spreading worm, Trojan:Win32 Wacatac.B!ml, targeting PC gamers. It is believed that hackers used hacked lobbies to spread the virus.
04
A data breach in Arizona’s school voucher program exposed the personal information of thousands of students. The breach occurred on ClassWallet, the platform that handles payments for Arizona’s Empowerment Scholarship Account program.
05
Ransomware delivered through URLs has become the leading method for distributing ransomware, accounting for over 77% of cases in 2022 – found Unit 42. This is followed by emails at 12%.
06
The CISA published a report, revealing that a new malware, named Submarine, was used to backdoor Barracuda ESG appliances on federal agencies’ networks by the Chinese state-sponsored UNC4841 group.
07
The Patchwork threat group, suspected to be operating on behalf of India, was spotted targeting universities and research organizations in China using a backdoor called EyeShell.
08
Threat actors were found creating fake websites hosting trojanized software installers to lure unsuspecting users into downloading the Fruity downloader malware, which ultimately installs remote trojans such as Remcos RAT.
09
The Southern Association of Independent Schools (SAIS) was found leaking 680,000 records containing health records, background checks, financial budgets, and even confidential security reports of students, parents, and teachers, via an unprotected database.
10
The Biden administration introduced a national strategy to combat cyber workforce shortages. The plan emphasizes collaboration with stakeholders, investment in scholarships and grants, and bolstering the federal cyber workforce capable of effectively defending against cyber threats.

About thousands of leaked AWS keys Held Full Admin Rights

More than 9,300 AWS access keys that were made public from August 2022 to August 2026 are still active, says...
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About thousands of leaked AWS keys Held Full Admin Rights

US Bank investigates LockBit’s Data Breach Claims

US Bank is looking into LockBit's claims about a breach and stolen data. The ransomware group says they will share...
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US Bank investigates LockBit’s Data Breach Claims

Five new malware families actively targeting Asian Gov.t infra

Central Asian government agencies have been attacked in a cyber spy operation that used a small but different range of...
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Five new malware families actively targeting Asian Gov.t infra

T-Mobile Cuts Cables to Remove Chiness Salt Typhoon Hackers from Network

T-Mobile’s cybersecurity team reportedly physically cut a network cable connecting compromised infrastructure to the outside world. According to Bloomberg, the move...
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T-Mobile Cuts Cables to Remove Chiness Salt Typhoon Hackers from Network

Splunk, Zyxel Patch Multiple Flaws Enabling RCE and Root Command Execution

Splunk has issued security fixes for 17 weaknesses in different apps and add-ons, such as Splunk MCP Server, Splunk AI...
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Splunk, Zyxel Patch Multiple Flaws Enabling RCE and Root Command Execution

“Zombie Card” attack revels expired Visa card may be used for contactless payments

Security experts have shown that expired credit cards can still be used. A study from the University of Massachusetts Amherst,...
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“Zombie Card” attack revels expired Visa card may be used for contactless payments

Critical Zimbra RCE Flaw Actively Exploited in the Wild

CERT Polska has alerted that bad actors are actively exploiting a security flaw in Zimbra Collaboration Suite to execute code...
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Critical Zimbra RCE Flaw Actively Exploited in the Wild

Operation CameraSwarm
A single hacker compromise 1400+ Dahua camera worldwide 

Operation CameraSwarm compromised 14,500+ Dahua IP cameras mostly in Ukraine and Russia. The operation lasted for at least 35 days...
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Operation CameraSwarm  A single hacker compromise 1400+ Dahua camera worldwide 

Cl0p Ransomware Listed 40+ Victims of PTC Windchill Campaign

The Cl0p ransomware group has listed over 40 organizations that they say they targeted in a recent attack. This attack...
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Cl0p Ransomware Listed 40+ Victims of PTC Windchill Campaign

Oracle Issues 943 Security Patches, Including Critical WebLogic Flaw

Oracle has put out 943 new security updates in its August 2026 Critical Security Patch Update. These updates fix problems...
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Oracle Issues 943 Security Patches, Including Critical WebLogic Flaw

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