Today’s browsers are almost operating systems unto themselves. They can run software programs and encrypt files. These capabilities, combined with the browser’s access to the host computer’s files – including ones in the cloud, shared folders and external drives – via the File System Access API creates a new opportunity for ransomware.
Imagine you want to edit photos on a benign-looking free online photo editing tool. When you upload the photos for editing, any hackers who control the malicious editing tool can access the files on your computer via your browser. The hackers would gain access to the folder you are uploading from and all subfolders.
Read more…
Source: MSN News
Related:
- CISA Releases Four Industrial Control Systems Advisories
August 31, 2023
CISA released four Industrial Control Systems (ICS) advisories on August 31, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-243-01 ARDEREG Sistemas SCADA ICSA-23-243-02 GE Digital CIMPLICITY Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency
- Multiple Threats Target Adobe ColdFusion Vulnerabilities
August 30, 2023
This past July, Adobe responded to reports of exploits targeting pre-authentication remote code execution (RCE) vulnerabilities in their ColdFusion solution by releasing a series of security updates: APSB23-40, APSB23-41, and APSB23-47. An in-depth analysis of those exploits has been documented by Project Discovery, including a significant vulnerability in the WDDX deserialization process within Adobe ColdFusion ...
- Diving Deep into UNC4841 Operations Following Barracuda ESG Zero-Day Remediation (CVE-2023-2868)
August 29, 2023
On June 15, 2023, Mandiant released a blog post detailing an 8-month-long global espionage campaign conducted by a Chinese-nexus threat group tracked as UNC4841. Over the course of this follow up blog post, Mandiant researchers will detail how UNC4841 has continued to show sophistication and adaptability in response to remediation efforts. Specifically, UNC4841 deployed new and ...
- CISA Releases IOCs Associated with Malicious Barracuda Activity
August 29, 2023
CISA has released additional indicators of compromise (IOCs) associated with exploitation of CVE-2023-2868. CVE-2023-2868 is a remote command injection vulnerability affecting Barracuda Email Security Gateway (ESG) Appliance, versions 5.1.3.001-9.2.0.006. Malicious threat actors exploited this vulnerability as a zero day as early as October 2022 to gain access to ESG appliances. Read more… Source: U.S. Cybersecurity and Infrastructure ...
- CISA Releases Six Industrial Control Systems Advisories
August 24, 2023
CISA released six Industrial Control Systems (ICS) advisories on August 24, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-236-01 KNX Protocol ICSA-23-236-02 Opto 22 SNAP PAC S1 Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency Related story: CISA Adds Two Known Exploited Vulnerabilities to Catalog
- CISA Releases Four Industrial Control Systems Advisories
August 22, 2023
CISA released four Industrial Control Systems (ICS) advisories on August 22, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-234-01 Hitachi Energy AFF66x ICSA-23-234-02 Trane Thermostats Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency