Explore the latest insights and trends in Initial Access within information security to safeguard against unauthorized entry points.
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Background for this topic.
Initial Access is the stage in the cyber threat landscape where an unauthorized user first gains the ability to enter a system or network. In the context of information security, this is a critical phase of the cyber attack lifecycle, as it is the point at which attackers establish a foothold within the infrastructure from which they can launch further malicious activities.
This entry point can be achieved through a variety of means including, but not limited to, social engineering tactics, exploitation of unpatched vulnerabilities, credential theft, or the use of stolen credentials. It is the foundation from which threats can evolve into more advanced stages, such as privilege escalation, lateral movement, persistence, or exfiltration of data.
Understanding initial access is vital for cyber defenses as it helps security professionals focus on pre-emptive measures, such as user education, robust authentication processes, and the rapid patching of vulnerabilities to prevent compromise.
Weekly headline count for the current query.
An unknown threat actor has been observed using a large language model (LLM) agent to conduct post-compromise actions after obtaining initial access following the exploitation of a publicly-accessible Marimo network using a recently disclosed vulnerability
Verizon's 2026 Data Breach Investigations Report (DBIR) finds that exploits are now involved in 31% of initial access for breaches, while patching lags too far behind the bad guys.
Patch Rollout Slows and Ransomware Incident Volume Rises, Finds Latest Verizon DBIRThe frequency of hackers exploiting vulnerabilities in hardware and software to gain initial access to a victim's environment continues to surge, and half of all successful breaches also now involve some type of "ransomware action," according Verizon's 2026 Data Breach Investigations Report.
Initial access broker KongTuke has moved to Microsoft Teams for social engineering attacks, taking as little as five minutes to gain persistent access to corporate networks. [...]
TrendAI™ Research has identified two emerging threat campaigns—SHADOW-AETHER-040 and SHADOW-AETHER-064—that use agentic AI to drive intrusion operations against government and financial organizations in Latin America, marking these among the first cases we have observed of AI agents executing attacks from initial access to data exfiltration.
Lazarus continues leveraging ClickFix for initial access and data theft: in this case, against Mac-centric organizations and their high-value leaders.
The cybersecurity industry has spent the last several years chasing sophisticated threats like zero-days, supply chain compromises, and AI-generated exploits. However, the most reliable entry point for attackers still hasn't changed: stolen credentials
A "novel" social engineering campaign has been observed abusing Obsidian, a cross-platform note-taking application, as an initial access vector to distribute a previously undocumented Windows remote access trojan called PHANTOMPULSE in attacks targeting individuals in the financial and cryptocurrency sectors
Malware-as-a-Service Operations Favors Russian-Speaking CustomersAn emerging remote access Trojan targeting Android devices in Spanish-speaking nations is propagating fraudulent advertisements as an initial access point on Meta-owned applications.
A new report from Halcyon finds that the group also puts more effort than usual into developing working decryptors, likely to incentivize businesses to pay up. The post Akira ransomware group can achieve initial access to data encryption in less than an hour appeared first on CyberScoop.
A federal court in Indiana sentenced a Russian cybercriminal to 81 months in prison on charges related to his role as an initial access broker for ransomware groups. Aleksei Volkov, 26, of St. Petersburg, Russia, pleaded guilty in November 2025 to six federal charges stemming from his work with the Yanluowang ransomware group and other […] The post Russian access broker sentenced to over 6 years in prison for ransomware schemes appeared first on CyberScoop.
A Russian national was sentenced to nearly 7 years in prison after pleading guilty to acting as an initial access broker (IAB) for Yanluowang ransomware attacks. [...]
Aleksei Volkov sentenced after enabling attacks that cost victims millions A Russian national who sold the keys to corporate networks faces nearly seven years in a US prison after prosecutors tied his handiwork to a string of ransomware attacks costing victims millions of dollars.…
Russian cybercriminal Aleksei Volkov has received close to seven years behind bars for role in Yanluowang ransomware
Voice phishing is second most common initial access method across all IR probes, and top in cloud break-ins RSAC 2026 Voice phishing surged last year to become the second most common method used by cybercriminals to gain initial access to their victims' IT estate – and the No. 1 tactic used when breaking into cloud environments.…
The ransomware operation known as LeakNet has adopted the ClickFix social engineering tactic delivered through compromised websites as an initial access method
The LeakNet ransomware gang is now using the ClickFix technique for initial access into corporate environments and deploys a malware loader based on the open-source Deno runtime for JavaScript and TypeScript. [...]
North Korean threat actors have been observed sending phishing to compromise targets and obtain access to a victim's KakaoTalk desktop application to distribute malicious payloads to certain contacts
Hackers are increasingly exploiting newly disclosed vulnerabilities in third-party software to gain initial access to cloud environments, with the window for attacks shrinking from weeks to just days. [...]
A routine RDP brute-force alert led to unusual credential hunting and a geo-distributed VPN-linked infrastructure. Huntress Labs explains how one compromised login unraveled a suspected ransomware-as-a-service ecosystem tied to initial access brokers. [...]