https://www.ithaca-tech.gr/en/blog/ Articles on cybersecurity, NIS2 and Microsoft 365. en https://www.ithaca-tech.gr/en/blog/mfa-microsoft-365-security-defaults/ https://www.ithaca-tech.gr/en/blog/mfa-microsoft-365-security-defaults/ Sat, 10 Oct 2026 00:00:00 GMT What Microsoft Entra ID security defaults are, what they enforce, when they are enough and when you need Conditional Access, based on Microsoft's documentation. https://www.ithaca-tech.gr/en/blog/backup-3-2-1-restore-testing/ https://www.ithaca-tech.gr/en/blog/backup-3-2-1-restore-testing/ Sat, 10 Oct 2026 00:00:00 GMT The 3-2-1 rule, why ransomware targets backups and how to test that recovery works, based on Microsoft's guidance. https://www.ithaca-tech.gr/en/blog/copilot-permissions-oversharing/ https://www.ithaca-tech.gr/en/blog/copilot-permissions-oversharing/ Sat, 10 Oct 2026 00:00:00 GMT Microsoft 365 Copilot shows only what the user already has permission to see. That is why overly open permissions become visible. What to check before you turn it on. https://www.ithaca-tech.gr/en/blog/microsoft-365-employee-offboarding/ https://www.ithaca-tech.gr/en/blog/microsoft-365-employee-offboarding/ Sat, 10 Oct 2026 00:00:00 GMT Step by step offboarding of an employee in Microsoft 365: blocking sign-in, keeping the mailbox, devices, OneDrive and licence, based on Microsoft's guidance. https://www.ithaca-tech.gr/en/blog/nis2-incident-reporting-greece/ https://www.ithaca-tech.gr/en/blog/nis2-incident-reporting-greece/ Mon, 05 Oct 2026 00:00:00 GMT How to report a significant incident to the National Cybersecurity Authority in Greece: the stages, the deadlines, who reports and what to prepare. https://www.ithaca-tech.gr/en/blog/cyber-resilience-act-vulnerability-reporting/ https://www.ithaca-tech.gr/en/blog/cyber-resilience-act-vulnerability-reporting/ Mon, 05 Oct 2026 00:00:00 GMT Since 11 Sep 2026, makers of products with digital elements must report vulnerabilities and severe incidents: who, deadlines, where to report, what applies in 2027. https://www.ithaca-tech.gr/en/blog/national-cybersecurity-strategy-greece-2026-2030/ https://www.ithaca-tech.gr/en/blog/national-cybersecurity-strategy-greece-2026-2030/ Mon, 05 Oct 2026 00:00:00 GMT Greece’s National Cybersecurity Strategy 2026–2030: the four objectives, what the consultation asked for SMEs, and what does and does not change for you. https://www.ithaca-tech.gr/en/blog/who-must-comply-with-nis2/ https://www.ithaca-tech.gr/en/blog/who-must-comply-with-nis2/ Sun, 04 Oct 2026 00:00:00 GMT Which businesses fall under NIS2 and Greek Law 5160/2024: sectors, size thresholds, essential and important entities, and what to do first. https://www.ithaca-tech.gr/en/blog/spf-dkim-dmarc-guide/ https://www.ithaca-tech.gr/en/blog/spf-dkim-dmarc-guide/ Sun, 04 Oct 2026 00:00:00 GMT What SPF, DKIM and DMARC are, why Gmail, Yahoo and Outlook require them, and how to set them up in Microsoft 365, with the new May 2026 DMARC. https://www.ithaca-tech.gr/en/blog/ransomware-first-60-minutes/ https://www.ithaca-tech.gr/en/blog/ransomware-first-60-minutes/ Sun, 04 Oct 2026 00:00:00 GMT What to do (and not to do) when hit by ransomware: isolation, evidence, communication, authorities and NIS2 and GDPR deadlines, based on CISA's official guidance. https://www.ithaca-tech.gr/en/blog/how-ai-assistants-find-your-website/ https://www.ithaca-tech.gr/en/blog/how-ai-assistants-find-your-website/ Sun, 04 Oct 2026 00:00:00 GMT How ChatGPT, Claude and Google find you: crawlers, robots.txt, content, llms.txt, and what we did on our own site. https://www.ithaca-tech.gr/en/blog/insider-risk-the-threat-inside/ https://www.ithaca-tech.gr/en/blog/insider-risk-the-threat-inside/ Sun, 04 Oct 2026 00:00:00 GMT What insider risk is, why traditional security tools miss it, and how Microsoft Purview Insider Risk Management helps detect it. https://www.ithaca-tech.gr/en/blog/history-repeats-itself-ai/ https://www.ithaca-tech.gr/en/blog/history-repeats-itself-ai/ Sun, 04 Oct 2026 00:00:00 GMT Every technological revolution made people fear for their jobs. What history shows about AI, and which skills are gaining value.