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Help Net Security

Cybersecurity news with a focus on enterprise security. Discover what matters in the world of information security today.

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  • Aug 16, 2026earliest in window
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News

Help Net Security
helpnetsecurity.com > 09/02/2026 > vali-cyber-zerolock-5-hypervisor-security

Vali Cyber ZeroLock 5 brings MFA to the hypervisor command line

1+ week, 5+ day ago   (474+ words) Vali Cyber released ZeroLock 5, a major release focused on closing the two most dangerous gaps in hypervisor...Because hypervisors sit a layer beneath where most security tools can see, attackers who reach the CLI...“We have seen firsthand what happens to…...

Help Net Security
helpnetsecurity.com > 08/24/2026 > uk-power-plant-cyberattack

Suspected Iran-linked attack knocked UK power plant offline for days

3+ week, 1+ hour ago   (691+ words) whether UK’s power grid and, indeed, the country’s critical infrastructure can fend off destructive cyber...attacks....same time when 30+ community water utilities in the US were hit in a coordinated cyberattack Those attacks...According to the publication, the incident was…...

Help Net Security
helpnetsecurity.com > 08/18/2026 > netscout-expands-adaptive-ddos-protection-with-outbound-attack-mitigation

NETSCOUT expands Adaptive DDoS Protection with outbound attack mitigation

3+ week, 6+ day ago   (351+ words) Protection (ADP) solution enabling service providers to automatically detect and mitigate outbound DDoS attack...By extending protection from the attack target towards its source, NETSCOUT helps operators prevent compromised...subscriber devices from disrupting their own networks, consuming costly capacity and…...

Help Net Security
helpnetsecurity.com > 09/01/2026 > spring-ring-vishing-campaign-microsoft-teams

Vishing campaign abuses Microsoft Teams to give attackers a foothold in company networks

1+ week, 6+ day ago   (462+ words) Unit 42 identified 26 distinct attacker identities behind the chat and call attempts....Once a chat was accepted, the attacker placed a call....Many attempts were missed or lasted only seconds, as the attacker moved through a list of targets....Full attack…...

Help Net Security
helpnetsecurity.com > 09/07/2026 > connectwise-screenconnect-file-transfer-flaw

Attackers spread malware through ScreenConnect file transfers

1+ week, 6+ hour ago   (324+ words) deployed on victims’ machines, something Huntress said is fairly typical, since “RMM abuse is a top attack...Attackers were also seen creating a Windows registry Run Key named WindowsServiceHost, pointing to a...

Help Net Security
helpnetsecurity.com > 08/25/2026 > reliaquest-breach-social-engineering

ShinyHunters taunts ReliaQuest after its own employee falls for social engineering attack

2+ week, 6+ day ago   (482+ words) Cybersecurity company ReliaQuest has confirmed that one of its own employees fell for a social engineering attack..., handing attackers a password and a brief window into the company’s identity system....“On August 22, 2026, ReliaQuest was the target of a social engineering…...

Help Net Security
helpnetsecurity.com > 09/02/2026 > sonicwall-sma-1000-cve-2026-83548-cve-2026-83549-zero-day-attacks

SonicWall SMA 1000 appliances under attack via zero-day flaws

1+ week, 5+ day ago   (225+ words) the Appliance Management Console that, in specific conditions, can be exploited by authenticated attackers...SonicWall hasn’t publicly shared a list of known indicators of compromise nor further details about the attacks...SonicWall SMA 1000 appliances are often targeted by attackers via…...

Help Net Security
helpnetsecurity.com > 09/09/2026 > securin-exposure-management-platform

Securin Platform helps security teams prove when attack paths are closed

5+ day, 5+ hour ago   (292+ words) Management platform designed to answer three questions security teams struggle with every day: What can attackers...But a vulnerability’s severity score alone doesn’t show whether an attacker can reach it, chain it with...Where an exposure can be safely validated,…...

Help Net Security
helpnetsecurity.com > 08/30/2026 > week-in-review-compromised-zimbra-servers-previously-patched-citrix-netscaler-flaw-exploited

Week in review: Compromised Zimbra servers, previously patched Citrix NetScaler flaw exploited

2+ week, 1+ day ago   (1277+ words) interesting news, articles, interviews and videos: Unpatched Zimbra servers are falling to CVE-2026-73570 attacks...At least 274 internet-facing Zimbra instances have been compromised by unknown attackers via CVE-2026...Suspected Iran-linked attack knocked UK power plant offline for days News that suspected…...

Help Net Security
helpnetsecurity.com > 08/17/2026 > windows-11-security-bypass-research

Windows 11???s strongest security defenses can be bypassed without a screwdriver

4+ week, 9+ hour ago   (597+ words) The attack assumes the attacker has already gained privileged access to the system....The attack, named “Download More RAM,” targets a small configuration chip found on Dual In-line Memory...Overview of Download More RAM (Source: Research paper) An attacker who…...

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