RSS ze světa hackingu


New IoT RapperBot Malware Targeting Linux Servers via SSH Brute-Forcing Attack

A new IoT botnet malware dubbed RapperBot has been observed rapidly evolving its capabilities since it was first discovered in mid-June 2022. "This family borrows heavily from the original Mirai source code, but what separates it from other IoT malware families is its built-in capability to brute force credentials and gain access to SSH servers instead of Telnet as implemented in Mirai,"…

Datum: 7. 8. 2022

Hackers Exploit Twitter Vulnerability to Exposes 5.4 Million Accounts

Twitter on Friday revealed that a now-patched zero-day bug was used to link phone numbers and emails to user accounts on the social media platform. "As a result of the vulnerability, if someone submitted an email address or phone number to Twitter's systems, Twitter's systems would tell the person what Twitter account the submitted email addresses or phone number was associated with, if any,"…

Datum: 6. 8. 2022

Slack Resets Passwords After a Bug Exposed Hashed Passwords for Some Users

Slack said it took the step of resetting passwords for about 0.5% of its users after a flaw exposed salted password hashes when creating or revoking shared invitation links for workspaces. "When a user performed either of these actions, Slack transmitted a hashed version of their password to other workspace members," the enterprise communication and collaboration platform said in an alert on 4th…

Datum: 6. 8. 2022

Iranian Hackers likely Behind Disruptive Cyberattacks Against Albanian Government

A threat actor working to further Iranian goals is said to have been behind a set of disruptive cyberattacks against Albanian government services in mid-July 2022. Cybersecurity firm Mandiant said the malicious activity against a NATO state represented a "geographic expansion of Iranian disruptive cyber operations." The July 17 attacks, according to Albania's National Agency of Information…

Datum: 5. 8. 2022

Resolving Availability vs. Security, a Constant Conflict in IT

Conflicting business requirements is a common problem – and you find it in every corner of an organization, including in information technology. Resolving these conflicts is a must, but it isn’t always easy – though sometimes there is a novel solution that helps. In IT management there is a constant struggle between security and operations teams. Yes, both teams ultimately want to have secure…

Datum: 5. 8. 2022

Emergency Alert System Flaws Could Let Attackers Transmit Fake Messages

The U.S. Department of Homeland Security (DHS) has warned of critical security vulnerabilities in Emergency Alert System (EAS) encoder/decoder devices. If left unpatched, the issues could allow an adversary to issue fraudulent emergency alerts over TV, radio, and cable networks. The August 1 advisory comes courtesy of DHS' Federal Emergency Management Agency (FEMA). CYBIR security researcher Ken…

Datum: 5. 8. 2022

A Growing Number of Malware Attacks Leveraging Dark Utilities 'C2-as-a-Service'

A nascent service called Dark Utilities has already attracted 3,000 users for its ability to provide command-and-control (C2) services with the goal of commandeering compromised systems. "It is marketed as a means to enable remote access, command execution, distributed denial-of-service (DDoS) attacks and cryptocurrency mining operations on infected systems," Cisco Talos said in a report shared…

Datum: 5. 8. 2022

CISA Adds Zimbra Email Vulnerability to its Exploited Vulnerabilities Catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a recently disclosed high-severity vulnerability in the Zimbra email suite to its Known Exploited Vulnerabilities Catalog, citing evidence of active exploitation. The issue in question is CVE-2022-27924 (CVSS score: 7.5), a command injection flaw in the platform that could lead to the execution of arbitrary…

Datum: 5. 8. 2022

Who Has Control: The SaaS App Admin Paradox

Imagine this: a company-wide lockout to the company CRM, like Salesforce, because the organization's external admin attempts to disable MFA for themselves. They don't think to consult with the security team and don't consider the security implications, only the ease which they need for their team to use their login.  This CRM, however, defines MFA as a top-tier security setting; for example,…

Datum: 4. 8. 2022

Critical RCE Bug Could Let Hackers Remotely Take Over DrayTek Vigor Routers

As many as 29 different router models from DrayTek have been identified as affected by a new critical, unauthenticated, remote code execution vulnerability that, if successfully exploited, could lead to full compromise of the device and unauthorized access to the broader network. "The attack can be performed without user interaction if the management interface of the device has been configured…

Datum: 4. 8. 2022

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