Habr•September 15, 2026•🇷🇺Translated from Russian

Why Russian Educators Prepare Sixth Graders for Ninth-Grade All-Russian Olympiads in Robotics and Information Security

Maxim Ivankov, who has developed robotics and programming schools for children over nine years, describes the decision to prepare students from fifth grade onward for the All-Russian Olympiad for Schoolchildren in the ninth-grade category. The initiative targets informatics profiles including information security and robotics, which now operate as independent tracks alongside programming and artificial intelligence.

The core motivation stems from the structure of the olympiad: only the school and municipal stages are available before ninth grade, delivering no meaningful benefits beyond certificates. Regional stages, which open pathways to final-stage diplomas, prizes, and BVI university admission without entrance exams, begin exclusively at ninth grade. A ninth-grade diploma grants four years of eligibility for admission outside competition and regional cash awards that vary dramatically across Russia, from 500,000 roubles in Moscow to as little as 5,500 roubles in Lipetsk Region.

Enrollment efforts in the current year reached more than 400 notified students across local schools yet produced only two registrations for completely free, multi-year preparation groups. No families attended the scheduled introductory meeting. Ivankov notes that even a conservative one-percent participation rate from the district’s three thousand eligible students would have yielded thirty participants, underscoring the gap between stated interest and actual engagement.

Neural networks have further complicated early stages. The school stage runs remotely without supervision, and current models solve tasks at olympiad level. Official rules contain no references to artificial intelligence, and contradictory guidelines allow both school-based proctored sittings and home completion on any device. In contrast, the Unified State Exam has deployed AI detectors since 2020. The resulting score distributions no longer follow the expected bell-curve shape, complicating assessment of genuine performance.

The chosen preparation route exploits a formal allowance: participants may attempt tasks for their own class or any higher class. Fifth-grade students may therefore register for the ninth-grade track, locking their level for subsequent municipal and regional stages. This provides five opportunities to reach the regional or final stage rather than a single attempt in ninth grade without prior experience. Historical data show that consistent multi-year preparation markedly improves outcomes, as evidenced by seventh- and eighth-grade finalists in recent seasons.

Task analysis across seasons reveals a sharp difficulty gradient. Municipal-stage problems in robotics have included identifying crops from photographs and calculating discounts, while regional stages require Arduino practice and project work worth 60 of 100 points. Final-stage tasks have featured the RANSAC algorithm and traversal of a ten-dimensional hypercube. Cryptography topics such as RSA, Miller-Rabin primality tests, and the theorems of Fermat and Euler appeared only once across three years of ninth-grade information-security papers, solely at the final stage.

From 120 current students, ten were selected for intensive preparation on a custom platform that records detailed engagement metrics. The program emphasizes self-directed work in information security and robotics, profiles that offer the same admission advantages as traditional subjects while facing lower competition.

Related articles

Habr•Other

Prod is Down: Free gVisor-Based Simulator Gives Strangers Root Access for Realistic Linux Incident Training

A Russian systems administrator has launched Prod is Down, a free online platform that lets users practice real incident response by granting them root consoles on deliberately broken Linux servers. The tool currently offers 13 scenarios covering PostgreSQL failures, OOM Killer events, full disks, expired certificates, nginx 502 errors, inode exhaustion, DNS issues, and open file limits. Each exercise runs inside gVisor sandboxes with strict resource limits, internal-only networking, and automated verification that checks service health rather than player commands. The author implemented an emulated systemd in Python so trainees can use familiar systemctl and journalctl commands without running a real init system. Multiple layers of isolation, including overlay filesystem tweaks and size monitoring, prevent abuse while still allowing sudo and realistic debugging. The platform records three random variants per scenario so memorized fixes from previous runs do not work on subsequent attempts.

Habr•Other

Home Lab Guide: Deploying Active Directory, Windows 7 Client and ELK Stack for Security Logging

A detailed tutorial walks readers through building an isolated VirtualBox lab featuring a Windows Server 2019 domain controller with DNS and DHCP, a Windows 7 client joined to the domain, and an ELK stack running Elasticsearch, Logstash and Kibana 9.4.2. The guide covers creation of organizational units, Group Policy Objects for advanced auditing, and configuration of Winlogbeat 7.17 to forward Security, System and Application logs to Logstash. Special attention is given to common pitfalls such as missing GPO extension attributes that prevent audit policies from applying and memory constraints when running the full ELK stack on limited RAM. The author emphasizes that Windows 7 is unsupported and should only be used in isolated lab networks. All steps are provided with exact PowerShell commands, netplan configurations, and Logstash pipeline examples suitable for a 192.168.100.0/24 NAT network.

Securitylab•Other

Building Your First Home Network Lab: Essential Tools and Experiments to Understand Corporate Networks

A cybersecurity professional without network knowledge resembles a guard without a building blueprint, spotting alarms but unable to trace the intruder. Setting up a personal lab on a standard computer bridges this gap through virtualization and hands-on practice with protocols and attacks. The guide recommends GNS3 for topology emulation, VirtualBox or VMware for running Windows and Linux workstations, Cisco Packet Tracer for quick simulations, Wireshark for traffic analysis, and draw.io for diagramming. Key experiments include configuring Cisco IOS routers with IP addressing, testing default gateways, observing ARP requests and replies, triggering broadcast storms via switch loops, and enabling STP to prevent loops. The lab demonstrates how legacy protocols like ARP expose networks to spoofing and why segmentation with VLANs and firewalls matters. Resources from CyberED provide demo access to courses on SOC analysis, penetration testing, and AI applications in security to extend learning.

Habr•Other

PSLC and Agent-Ops: From Product Support to Infrastructure Transformation

Sergey Zhitinsky, founder of Git in Sky, attended the OPS Talk by Sber meetup on October 19 and discussed the PSLC methodology with architect Alexander Shapovalov. PSLC, or Product Service Lifecycle, outlines two loops for restoring services immediately and improving reliability to prevent recurrence through teams, knowledge, and platform support. Agent-Ops focuses on eight detailed steps for individual infrastructure tasks: intention, evidence collection, diagnostics, planning, approval, controlled change, verification, and lessons learned. The article illustrates their complementary use in a scenario where post-release log growth fills a database disk, requiring both service restoration and root-cause fixes. Both approaches emphasize knowledge retention, action control, and human accountability, though Agent-Ops v0.5.1 mandates explicit human approval and separate execution for production changes. PSLC suits larger organizations with shared platforms, while Agent-Ops targets smaller teams handling infrastructure operations with AI agents.