Stay updated on the latest backdoor threats in cybersecurity. Discover news, analysis, and insights on covert access vulnerabilities.
Search across headline titles and summaries.
Background for this topic.
A backdoor is a hidden method within software or hardware that allows bypassing normal authentication to access a system or network. These can be intentionally created by developers for maintenance or debugging but are frequently exploited or implanted by attackers to maintain unauthorized, persistent access. Backdoors often appear as undocumented commands, hidden user accounts, or covert network services designed to evade detection.
In cybersecurity, backdoors enable attackers to circumvent security controls, increasing the risk of prolonged system compromise and data exposure. Detecting backdoors requires careful code review, monitoring for unusual system behavior, and verifying integrity through trusted baselines. Identifying backdoor indicators in malware or attacker infrastructure is critical for limiting unauthorized access and reducing attacker dwell time within networks. Defensive measures focus on eliminating hidden access points and strengthening authentication mechanisms.
Weekly headline count for the current query.
A threat actor named Mr_Rot13 has been attributed to the exploitation of a recently disclosed critical cPanel flaw to deploy a backdoor codenamed Filemanager on compromised environments
A critical security issue in a popular endpoint manager (CVE-2025-61932) allowed Chinese state-sponsored attackers to backdoor Japanese businesses.
Attackers are wielding the sophisticated modular malware while exploiting CVE-2025-29824, a previously zero-day flaw in Windows Common Log File System (CLFS) that allows attackers to gain system-level privileges on compromised systems.
Backdoor malware Auto-Color targets Linux systems, exploiting SAP NetWeaver flaw CVE-2025-31324
A now-patched security flaw in Google Chrome was exploited as a zero-day by a threat actor known as TaxOff to deploy a backdoor codenamed Trinper
Trend Micro discovered that old Atlassian Confluence versions that were affected by CVE-2023-22527 are being exploited using a new in-memory fileless backdoor.
Unknown attackers have deployed a newly discovered backdoor dubbed Msupedge on a university's Windows systems in Taiwan, likely by exploiting a recently patched PHP remote code execution vulnerability (CVE-2024-4577). [...]
Suspected state-sponsored hackers have been exploiting a zero-day vulnerability in Palo Alto Networks firewalls tracked as CVE-2024-3400 since March 26, using the compromised devices to breach internal networks, steal data and credentials. [...]
More than 40,000 Cisco devices running the IOS XE operating system have been compromised after hackers exploited a recently disclosed maximum severity vulnerability tracked as CVE-2023-20198. [...]
Microsoft says that the North Korean Lazarus and Andariel hacking groups are exploiting the CVE-2023-42793 flaw in TeamCity servers to deploy backdoor malware, likely to conduct software supply chain attacks. [...]
A China-nexus cyber espionage campaign rages on with the fourth backdoor to surface in the wild that takes advantage of the CVE-2023-2868 zero-day security bug — with severe threat of lateral movement, CISA warns.
A new Go-based malware threat that researchers call Redigo has been targeting Redis servers vulnerable to CVE-2022-0543 to plant a stealthy backdoor and allow command execution. [...]
A new Go-based malware threat that researchers call Redigo has been targeting Redis servers vulnerable to CVE-2022-0543 to plant a stealthy backdoor and allow command execution. [...]