Attacks

McGraw Hill Exposed 100,000 Students’ Grades Through Misconfigured S3 Bucket

Researchers verified a small sample of the data and reached out to McGraw Hill, who did not initially respond. Finally, the company announced on September 21st that they had removed all sensitive data out of the public buckets. Due to the growing regulatory burden, it is highly recommended that organizations store sensitive customers data securely, and utilize third party cybersecurity services to verify the security of such data in order to avoid liability, regulatory fines,…

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Malicious PyPI Package Masquerading as SentinelOne SDK Client, Stealing Developer Information

When developing tools, it can be easy to simply fall back on repositories to source libraries and packages to quickly fill gaps and reduce workload. However, especially when interfacing with commercial software, it is considered good practice to refer to documentation to identify approved sources for libraries and packages. For example, SentinelOne’s Frequently Asked Questions page reports that their SDK is available “directly from the Management console,” and not from any centralized repository like PyPI.…

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Now-Patched MacOS Vulnerability “Achilles” Details Released

Companies should strive to patch MacOS devices as soon as their change management allows. Exploitation of this vulnerability is not particularly involved, according to Microsoft’s reporting, so malware packaged to use Achilles could surface very soon. Additionally, malware leveraging Achilles would not be prevented by Lockdown Mode, Apple’s optional protection feature for stopping zero-click code execution, since Gatekeeper requires the end user to open the malicious file. https://www.bleepingcomputer.com/news/security/microsoft-finds-macos-bug-that-lets-malware-bypass-security-checks/

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CISA Releases Six Industrial Control Systems Advisories

Original release date: December 20, 2022 CISA released six Industrial Control Systems (ICS) advisories on December 20, 2022. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisories for technical details and mitigations: ICSA-22-354-01 Fuji Electric Tellus Lite V-Simulator ICSA-22-354-02 Rockwell Automation GuardLogix and ControlLogix ICSA-22-354-03 ARC Informatique PcVue ICSA-22-354-04 Rockwell Automation MicroLogix 1100 and 1400 ICSA-22-354-05 Delta 4G…

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DarkTortilla Used on Grammarly and Cisco Phishing Sites

Some recommendations from the source article include: • Do not open suspicious links in emails.• Do not download the software from untrusted sources.• Use a reputed anti-virus and Internet security software package on your connected devices, including PC, laptop, and mobile.• Refrain from opening untrusted links and email attachments without verifying their authenticity. It is worth noting that if a link is visited and seems suspicious, it is recommended to navigate directly to the legitimate…

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New Agenda Ransomware Variant, Written in Rust, Aiming at Critical Infrastructure

To protect against ransomware attacks, organizations should:• Regularly back up data, air gap, and password protect backup copies offline.• Ensure copies of critical data are not accessible for modification or deletion from the system where the data resides.• Implement network segmentation.• Implement a recovery plan to maintain and retain multiple copies of sensitive or proprietary data and servers in a physically separate, segmented, secure location• Install updates/patch operating systems, software, and firmware as soon as…

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Google Has Improved Gmail Security via Client-Side Encryption

On the contrary, End-to-End Encryption (E2EE) is a communication technique in which data is encrypted on the sender’s device and can only be unlocked by the recipient’s device using a secret key that is shared between the sender and receiver. Other Google products outside of Gmail also have client-side encryption enabled. Earlier this year, the tech giant made the same feature available for Google Meet, Drive, and Calendar. Google Drive apps also support client-side encryption…

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Ukrainian Government Networks Breached via Trojanized Windows 10 Installers

In this campaign, the initial access using the trojanized ISO file was facilitated through phishing and relied on human error to infiltrate these organizations. A look back at campaigns over the past year have shown that many threat actors have turned to phishing tactics, likely because a human operator is often one of the weakest points in an organization’s security infrastructure. General recommendations for mitigation of phishing attacks are largely policy and user education based,…

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FuboTV Suffers Outage During World Cup

Anyone that is a customer of FuboTV should be monitoring for any change in account activity including password or email changes. They should also be on the lookout for an update from FuboTV regarding what, if any, information was stolen and how to mitigate the attack from a customer standpoint. https://www.bleepingcomputer.com/news/security/fubotv-says-world-cup-streaming-outage-caused-by-a-cyberattack/?&web_view=true

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Attackers Leak Personal Info Allegedly Stolen From 5.7M Gemini Users

Gemini advises its customers to rely on strong authentication methods and recommends activating two-factor authentication (2FA) protection and/or the use of hardware security keys to access their accounts. The company also provides the steps necessary for changing the email address associated with the Gemini account. https://www.bleepingcomputer.com/news/security/hackers-leak-personal-info-allegedly-stolen-from-57m-gemini-users/

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