Skip to main content

Guardrails and the Duty to Fix Hidden Hazards

In this week’s Torah portion, Parashat Ki Teitzei, the Torah introduces a fundamental rule for safety and personal responsibility, “When you build a new house, you shall make a guardrail (ma'akeh) for your roof, so that you do not bring bloodguilt upon your house if anyone falls from it” (Deuteronomy 22:8). The classic commentator Rashi explains that this rule isn't just about roofs. It applies to any predictable hazard on your property, like an unfenced pit or a broken staircase. Rambam (Maimonides) takes it a step further in his code of Jewish law, noting that building a guardrail isn't just a good idea; leaving a known danger unfixed actively violates the commandment to protect human life. In Jewish law, neglecting a known hazard makes you responsible for the damage it causes.

This timeless lesson about fixing hidden hazards mirrors a major issue in the tech world today. Recently, cybersecurity researchers discovered a critical flaw in widely used cloud software, the underlying technology that powers many modern applications. The issue wasn't caused by a brand new, complex hack. Instead, it was traced back to a tiny, unmaintained piece of open-source code buried deep inside the software's supply chain. While companies were rushing to roll out shiny new features, they left an unpatched, vulnerable piece of code sitting quietly in the background. In essence, they built a fancy multi-story building but forgot to put a guardrail on the roof.

This technical oversight connects directly to a discussion in the Talmud (Bava Metzia 117a) about shared buildings. The Sages rule that if you own the lower floor of a building, you have a strict legal duty to keep the foundations strong so the upper floors don't collapse. In modern software, basic maintenance, like updating old code, fixing known security holes, and double-checking third-party tools, is the foundation that everything else rests on. Ignoring those unglamorous updates to focus only on the new, leaves the entire system vulnerable to collapse.

The enduring takeaway from Parashat Ki Teitzei is that progress should never come at the expense of basic safety. Whether building a home or developing digital tools, true responsibility means looking beneath the surface, identifying hidden risks, and building proper guardrails before a fall occurs.

Good Shabbos!

Popular posts from this blog

Trust, Hidden Rules, and Protecting What Matters

In this week’s Torah portion, Chukat-Balak (Numbers 19–25), we encounter one of the Torah’s most mysterious laws: the red heifer. G-d commands the Israelites to use the ashes of a perfect red cow, mixed with water, to purify people who have come into contact with death. Strangely, the very people preparing this purifying mixture become impure themselves. The Sages call this a chok, a divine decree that goes beyond simple human logic. Rashi explains that nations of the world and even our own impulses mock it because it doesn’t fit neat categories of clean and unclean. Yet it works within G-d’s system. The portion also shows human efforts to control events, complaints in the desert, or King Balak hiring the prophet Balaam to curse Israel, only for G-d to turn those plans upside down into blessings. The message is clear: we must act responsibly while accepting that some things are ultimately in G-d’s hands. This tension feels very relevant to recent tech headlines. Just weeks ago, reports...
Read more

Vows, Oversight, and the Blueprint of GRC

In the opening of this week’s Torah portion, Parashat Matot, the Torah introduces the intricate laws of Nedarim, vows and oaths. The text explicitly warns, “If a man makes a vow to the Lord... he shall not profane his word; according to all that proceeds from his mouth, he shall do” (Numbers 30:3). However, the Torah immediately pivots to a highly structured framework of oversight. Classical commentaries, including the Rambam (Maimonides), explain that this mechanism exists because individual verbal commitments cannot be left entirely unchecked. Unregulated vows can create severe personal and communal vulnerabilities. The Torah balances individual accountability with a system of absolute governance, risk mitigation, and compliance.   This dual structure of personal commitment and centralized oversight is the exact operational definition of Governance, Risk, and Compliance (GRC) in corporate technology. In any large enterprise, individual teams are constantly making "digital vows....
Read more

The Threat of Blurring the Lines

In this week’s Torah portion, Parashat Pinchas, the Jewish people are getting ready to finally enter the Land of Israel. To prepare for this massive transition, the Torah establishes strict, permanent borders for each of the twelve tribes. We learn this through a famous legal case brought by the daughters of Tzelofchad, which results in a divine law: land cannot be passed from one tribe to another (Numbers 36:7). The great commentator Ramban (Nachmanides) explains that these boundaries were not arbitrary. They were essential for keeping order and ensuring that each tribe maintained its unique identity and territory without causing chaos or mixing things up. This ancient focus on keeping territories separated mirrors a major cybersecurity issue discovered by tech researchers this past week. Security teams found that a new generation of "AI web browsers," smart tools designed to browse the web, open tabs, and perform tasks for you, are accidentally breaking a foundational secur...
Read more