Vanguard’s New Strike on High-End Hardware Cheats
Riot Games has pushed its Valorant anti-cheat update into new territory, directly targeting premium DMA cheat hardware that can cost around USD 6,000 (approx. RM27,600). The latest Vanguard security upgrade focuses on setups that rely on external devices rather than traditional software hacks, prompting Riot to jokingly call them “$6K paperweights.” Some users reported being unable to boot into Windows after the change, fuelling speculation that SSDs were being damaged. Riot has since clarified that Vanguard is not bricking legitimate storage drives or other PC components. Instead, the system is homing in on specialized DMA cheat tools masquerading as normal hardware. By disrupting how these devices interact with the system, Vanguard aims to make one of the most elusive forms of competitive gaming cheating effectively non-functional, even when Valorant is not actively running on the machine.
How DMA Cheat Hardware Exploits System Memory
DMA cheat hardware is built on a legitimate technology: Direct Memory Access, which lets devices read system RAM without routing every request through the CPU. Cheaters abuse this capability by connecting a separate device—often via PCIe—that can silently read Valorant’s memory from outside the normal software stack. This enables tools such as radar, wallhacks, or ESP overlays running on a second machine, making them far harder for conventional anti-cheat solutions to spot. To evade scrutiny, some devices impersonate trusted components like SATA or NVMe storage drives, blending into a system’s hardware list while siphoning live game data. Because these rigs tap memory at a very low level, they bypass many user-mode and even some kernel-level checks. That is why Riot’s latest Vanguard security upgrade targets the hardware pathway itself, rather than just watching for suspicious software behavior.
Vanguard’s Hardware-Level Memory Protections Explained
The new Valorant anti-cheat update tightens hardware-level memory protections by leaning on IOMMU, the Input-Output Memory Management Unit that governs what each connected device can access in system memory. Vanguard now enforces stricter IOMMU rules and collaborates with motherboard makers such as MSI, ASUS, and ASRock to better identify suspicious firmware presenting itself as SATA or NVMe hardware. When a DMA cheat device tries to read protected memory, IOMMU blocks the request, cutting off the data flow that those cheats rely on. In practice, Vanguard can trigger warnings and force an IOMMU restart, after which the DMA firmware may become completely unusable, even outside the game environment. Some affected users say they had to reinstall Windows to regain stability, but Riot maintains that this instability stems from the cheat hardware repeatedly hitting forbidden memory, not from any intentional damage to genuine PC components.
The Escalating Arms Race in Competitive Gaming Cheating
Riot’s move marks a significant escalation in the arms race between anti-cheat developers and premium cheat creators. DMA cheat hardware emerged precisely because software-based hacks became easier to detect; now, hardware impersonation and firmware tricks are being countered at the IOMMU level. By effectively neutralizing costly DMA setups, Vanguard sends a clear signal that investing heavily in external hardware no longer guarantees safety from detection in Valorant. At the same time, this deep system access renews community debate over how far kernel-level tools should go. While many players are pleased to see high-end cheaters punished, others worry about false positives and the broader precedent of game software influencing hardware behavior. As competitive gaming cheating grows more sophisticated, future anti-cheat evolution will likely continue pushing toward lower-level protections—forcing developers, players, and hardware vendors to renegotiate where security ends and user trust begins.